[PyQt] Segmentation fault when running PyQt5 scripts through ipython
Barry Scott
barry at barrys-emacs.org
Fri Apr 14 22:30:24 BST 2017
I should have said that I *think* that Qt cannot be init'ed twice.
Barry
On Friday, 14 April 2017 21:20:18 BST Savici, Andrei T. wrote:
> It works from plain python, or if I run it only once, since then I exit the
> process cleanly. I just did not expect it to cause segmentation fault. I
> would have expected a nice error message if the init cannot be run again.
> And the funny thing is that a similar program written with PyQt4 works.
>
> Andrei
>
> ________________________________
> From: Barry <barry at barrys-emacs.org>
> Sent: Friday, April 14, 2017 6:28 AM
> To: Savici, Andrei T.
> Cc: pyqt at riverbankcomputing.com
> Subject: Re: [PyQt] Segmentation fault when running PyQt5 scripts through
> ipython
>
> Does ipython run the scripts in the same process?
> If so that will not work for a Qt program as you can only init Qt once.
>
> Run your code from normal python instead.
>
> Barry
>
> On 11 Apr 2017, at 16:22, Savici, Andrei T.
> <saviciat at ornl.gov<mailto:saviciat at ornl.gov>> wrote:
>
>
> Hi,
>
> I've tried to run a script containing pyqt5 code through ipython3 with `run
> -i simple.py`. First time it goes through without problems, but if I run it
> again it yields a segmentation fault.
>
> I would appreciate any help.
>
>
> Andrei
>
>
>
> Here is the script:
>
>
> import sys
> from PyQt5.QtWidgets import QWidget, QPushButton, QApplication
> from PyQt5.QtCore import QCoreApplication
>
> class Example(QWidget):
> def __init__(self):
> super().__init__()
> self.initUI()
> def initUI(self):
> self.show()
>
> if __name__ == '__main__':
> app = QApplication(sys.argv)
> ex = Example()
> sys.exit(app.exec_())
>
>
>
> I've run it through gdb, and here is the result:
>
>
>
> GNU gdb (Ubuntu 7.11.90.20161005-0ubuntu1) 7.11.90.20161005-git
> Copyright (C) 2016 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later
> <http://gnu.org/licenses/gpl.html> This is free software: you are free to
> change and redistribute it. There is NO WARRANTY, to the extent permitted
> by law. Type "show copying" and "show warranty" for details.
> This GDB was configured as "x86_64-linux-gnu".
> Type "show configuration" for configuration details.
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>.
> Find the GDB manual and other documentation resources online at:
> <http://www.gnu.org/software/gdb/documentation/>.
> For help, type "help".
> Type "apropos word" to search for commands related to "word"...
> Reading symbols from python3-dbg...done.
> (gdb) set args /usr/bin/ipython3
> (gdb) run
> Starting program: /usr/bin/python3-dbg /usr/bin/ipython3
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> [New Thread 0x7ffff3740700 (LWP 29905)]
> Python 3.5.2+ (default, Sep 22 2016, 12:18:14)
> Type "copyright", "credits" or "license" for more information.
>
> IPython 2.4.1 -- An enhanced Interactive Python.
> ? -> Introduction and overview of IPython's features.
> %quickref -> Quick reference.
> help -> Python's own help system.
> object? -> Details about 'object', use 'object??' for extra details.
>
> In [1]: run -i simple.py
> [New Thread 0x7fffe3810700 (LWP 29907)]
> [New Thread 0x7fffe27dc700 (LWP 29908)]
> Xlib: extension "RANDR" missing on display ":0".
> [New Thread 0x7fffd24ff700 (LWP 29910)]
> [New Thread 0x7fffd1cfe700 (LWP 29911)]
> [New Thread 0x7fffd14fd700 (LWP 29912)]
> [New Thread 0x7fffc3fff700 (LWP 29913)]
> [New Thread 0x7fffc37fe700 (LWP 29914)]
> [Thread 0x7fffc3fff700 (LWP 29913) exited]
>
> In [2]: run -i simple.py
> [Thread 0x7fffe3810700 (LWP 29907) exited]
>
> Thread 1 "python3-dbg" received signal SIGSEGV, Segmentation fault.
> 0x00007ffff157a05f in QGuiApplication::font() () from
> /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 (gdb) bt
> #0 0x00007ffff157a05f in QGuiApplication::font() () from
> /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #1 0x00007ffff162ae51 in
> QFont::QFont() () from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5 #2
> 0x00007ffff1b96760 in QWidgetPrivate::QWidgetPrivate(int) () from
> /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #3 0x00007ffff1bb21ed in
> QWidget::QWidget(QWidget*, QFlags<Qt::WindowType>) () from
> /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5 #4 0x00007ffff2206239 in
> sipQWidget::sipQWidget (this=0x555556397d80, a0=<optimized out>, a1=...) at
> ./dbg-build-3.5/QtWidgets/sipQtWidgetspart9.cpp:35574 #5
> 0x00007ffff220634d in init_type_QWidget (sipSelf=0x7ffff00d57d8,
> sipArgs=<optimized out>, sipKwds=<optimized out>, sipUnused=<optimized
> out>, sipOwner=<optimized out>, sipParseErr=<optimized out>) at
> ./dbg-build-3.5/QtWidgets/sipQtWidgetspart9.cpp:44069
> #6 0x00007fffe790c7eb in sipSimpleWrapper_init (self=0x7ffff00d57d8,
> self at entry=<error reading variable: value has been optimized out>, args=(),
> args at entry=<error reading variable: value has been optimized out>,
> kwds=0x0, kwds at entry=<error reading variable: value has been optimized
> out>) at siplib.c:9861 #7 0x0000555555653dd9 in wrap_init
> (self=self at entry=<Example at remote 0x7ffff00d57d8>, args=<optimized out>,
> wrapped=<optimized out>, kwds=<optimized out>) at
> ../Objects/typeobject.c:5543 #8 0x00005555557b606f in wrapper_call
> (wp=0x7ffff2ee6190, args=(), kwds=<optimized out>) at
> ../Objects/descrobject.c:1186 #9 0x00005555555ef3c2 in PyObject_Call
> (func=func at entry=<method-wrapper at remote 0x7ffff2ee6190>,
> arg=arg at entry=(), kw=kw at entry=0x0) at ../Objects/abstract.c:2166 #10
> 0x00005555556d9536 in do_call (func=func at entry=<method-wrapper at remote
> 0x7ffff2ee6190>, pp_stack=pp_stack at entry=0x7fffffffa850, na=na at entry=0,
> nk=nk at entry=0) at ../Python/ceval.c:4938 #11 0x00005555556e6051 in
> call_function (pp_stack=pp_stack at entry=0x7fffffffa850, oparg=oparg at entry=0)
> at ../Python/ceval.c:4734 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #12 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #13
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff2830040>, globals=<optimized out>, locals=locals at entry=0x0,
> args=args at entry=0x7ffff006fe50, argcount=1, kws=kws at entry=0x0, kwcount=0,
> defs=0x0, defcount=0, kwdefs=0x0, closure=(<cell at remote
> 0x7ffff45f30b8>,), name=0x0, qualname=0x0) at ../Python/ceval.c:4020 #14
> 0x00005555556e5db6 in PyEval_EvalCodeEx (_co=<optimized out>,
> globals=<optimized out>, locals=locals at entry=0x0,
> args=args at entry=0x7ffff006fe50, argcount=<optimized out>,
> kws=kws at entry=0x0, kwcount=0, defs=0x0, defcount=0, kwdefs=0x0,
> closure=(<cell at remote 0x7ffff45f30b8>,)) at ../Python/ceval.c:4041 #15
> 0x00005555557ba8ec in function_call (func=<function at remote
> 0x7ffff2f3eeb8>, arg=(<Example at remote 0x7ffff00d57d8>,), kw=0x0) at
> ../Objects/funcobject.c:627 #16 0x00005555555ef3c2 in PyObject_Call
> (func=func at entry=<function at remote 0x7ffff2f3eeb8>,
> arg=arg at entry=(<Example at remote 0x7ffff00d57d8>,), kw=kw at entry=0x0) at
> ../Objects/abstract.c:2166 #17 0x000055555560d014 in method_call
> (func=<function at remote 0x7ffff2f3eeb8>, arg=(<Example at remote
> 0x7ffff00d57d8>,), kw=0x0) at ../Objects/classobject.c:330 #18
> 0x00005555555ef3c2 in PyObject_Call (func=func at entry=<method at remote
> 0x7ffff2ee5838>, arg=arg at entry=(), kw=kw at entry=0x0) at
> ../Objects/abstract.c:2166 #19 0x000055555565faf9 in slot_tp_init
> (self=<optimized out>, args=(), kwds=0x0) at ../Objects/typeobject.c:6276
> #20 0x000055555565bba7 in type_call (type=0x555556770be8, args=(),
> kwds=0x0) at ../Objects/typeobject.c:905 #21 0x00005555555ef3c2 in
> PyObject_Call (func=func at entry=<PyQt5.QtCore.pyqtWrapperType at remote
> 0x555556770be8>, arg=arg at entry=(), kw=kw at entry=0x0) at
> ../Objects/abstract.c:2166 #22 0x00005555556d9536 in do_call
> (func=func at entry=<PyQt5.QtCore.pyqtWrapperType at remote 0x555556770be8>,
> pp_stack=pp_stack at entry=0x7fffffffaca0, na=na at entry=0, nk=nk at entry=0) at
> ../Python/ceval.c:4938
> #23 0x00005555556e6051 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffaca0, oparg=oparg at entry=0) at
> ../Python/ceval.c:4734 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #24 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 Python
> Exception <class 'RuntimeError'> Type does not have a target.: Python
> Exception <class 'RuntimeError'> Type does not have a target.: #25
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=_co at entry=<code at
> remote 0x7ffff00d5a00>, globals=globals at entry=, locals=locals at entry=,
> args=args at entry=0x0, argcount=argcount at entry=0, kws=kws at entry=0x0,
> kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=0x0,
> qualname=0x0) at ../Python/ceval.c:4020 Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: #26 0x00005555556e5db6 in
> PyEval_EvalCodeEx (_co=_co at entry=<code at remote 0x7ffff00d5a00>,
> globals=globals at entry=, locals=locals at entry=, args=args at entry=0x0,
> argcount=argcount at entry=0, kws=kws at entry=0x0, kwcount=0, defs=0x0,
> defcount=0, kwdefs=0x0, closure=0x0) at ../Python/ceval.c:4041 Python
> Exception <class 'RuntimeError'> Type does not have a target.: Python
> Exception <class 'RuntimeError'> Type does not have a target.: #27
> 0x00005555556e5ddf in PyEval_EvalCode (co=co at entry=<code at remote
> 0x7ffff00d5a00>, globals=globals at entry=, locals=locals at entry=) at
> ../Python/ceval.c:777 Python Exception <class 'RuntimeError'> Type does not
> have a target.: Python Exception <class 'RuntimeError'> Type does not have
> a target.: #28 0x00005555556d4047 in builtin_exec_impl
> (module=module at entry=<module at remote 0x7ffff7f50c58>, source=<code at
> remote 0x7ffff00d5a00>, globals=, locals=) at ../Python/bltinmodule.c:956
> #29 0x00005555556d4150 in builtin_exec (module=<module at remote
> 0x7ffff7f50c58>, args=<optimized out>) at
> ../Python/clinic/bltinmodule.c.h:274 Python Exception <class
> 'RuntimeError'> Type does not have a target.: #30 0x000055555564015d in
> PyCFunction_Call (func=func at entry=<built-in method exec of module object at
> remote 0x7ffff7f50c58>, args=args at entry=, kwds=kwds at entry=0x0) at
> ../Objects/methodobject.c:109 #31 0x00005555556e64e1 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffb000, oparg=oparg at entry=3) at
> ../Python/ceval.c:4707 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #32 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #33
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff4d5edc0>, globals=<optimized out>, locals=locals at entry=0x0,
> args=args at entry=0x7ffff45afd28, argcount=3, kws=kws at entry=0x0, kwcount=0,
> defs=0x7ffff4d68b78, defcount=1, kwdefs=0x0, closure=0x0, name=0x0,
> qualname=0x0) at ../Python/ceval.c:4020 #34 0x00005555556e5db6 in
> PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>,
> locals=locals at entry=0x0, args=args at entry=0x7ffff45afd28,
> argcount=<optimized out>, kws=kws at entry=0x0, kwcount=0,
> defs=0x7ffff4d68b78, defcount=1, kwdefs=0x0, closure=0x0) at
> ../Python/ceval.c:4041 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #35 0x00005555557ba8ec in function_call (func=<function
> at remote 0x7ffff4d6f6d0>, arg=, kw=0x0) at ../Objects/funcobject.c:627
> Python Exception <class 'RuntimeError'> Type does not have a target.: #36
> 0x00005555555ef3c2 in PyObject_Call (func=func at entry=<function at remote
> 0x7ffff4d6f6d0>, arg=arg at entry=, kw=kw at entry=0x0) at
> ../Objects/abstract.c:2166 #37 0x00005555556d9998 in ext_do_call
> (func=func at entry=<function at remote 0x7ffff4d6f6d0>,
> pp_stack=pp_stack at entry=0x7fffffffb328, flags=flags at entry=1, na=na at entry=1,
> nk=nk at entry=0) at ../Python/ceval.c:5036
> Python Exception <class 'RuntimeError'> Type does not have a target.:
> #38 0x00005555556e3561 in PyEval_EvalFrameEx (f=f at entry=,
> throwflag=throwflag at entry=0) at ../Python/ceval.c:3277 #39
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff454b640>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=4, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: kws=0x55555628e240,
> kwcount=1, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=, qualname=)
> at ../Python/ceval.c:4020 #40 0x00005555556e5e64 in fast_function
> (func=func at entry=<function at remote 0x7ffff4b22e00>,
> pp_stack=pp_stack at entry=0x7fffffffb5a0, n=n at entry=6, na=na at entry=4,
> nk=nk at entry=1) at ../Python/ceval.c:4815
> #41 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffb5a0, oparg=oparg at entry=259) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #42 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #43
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff46ec580>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=0, kws=0x55555628b948,
> kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: closure=(<cell at remote
> 0x7ffff45f36b8>, <cell at remote 0x7ffff45f3718>, <cell at remote
> 0x7ffff45f3898>, <cell at remote 0x7ffff45f3838>), name=, qualname=) at
> ../Python/ceval.c:4020 #44 0x00005555556e5e64 in fast_function
> (func=func at entry=<function at remote 0x7ffff2f3ed48>,
> pp_stack=pp_stack at entry=0x7fffffffb820, n=n at entry=0, na=na at entry=0,
> nk=nk at entry=0) at ../Python/ceval.c:4815
> #45 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffb820, oparg=oparg at entry=0) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #46 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #47
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff46ec4c0>, globals=<optimized out>, locals=locals at entry=0x0,
> args=args at entry=0x7ffff0071080, argcount=4, kws=kws at entry=0x7ffff7f88080,
> kwcount=0, defs=0x7ffff4703440, defcount=3, kwdefs=0x0, closure=0x0,
> name=0x0, qualname=0x0) at ../Python/ceval.c:4020 #48 0x00005555556e5db6 in
> PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>,
> locals=locals at entry=0x0, args=args at entry=0x7ffff0071080,
> argcount=<optimized out>, kws=kws at entry=0x7ffff7f88080, kwcount=0,
> defs=0x7ffff4703440, defcount=3, kwdefs=0x0, closure=0x0) at
> ../Python/ceval.c:4041 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #49 0x00005555557ba8ec in function_call (func=<function
> at remote 0x7ffff457c3f0>, arg=, kw={}) at ../Objects/funcobject.c:627
> Python Exception <class 'RuntimeError'> Type does not have a target.: #50
> 0x00005555555ef3c2 in PyObject_Call (func=func at entry=<function at remote
> 0x7ffff457c3f0>, arg=arg at entry=, kw=kw at entry={}) at
> ../Objects/abstract.c:2166 #51 0x00005555556d9998 in ext_do_call
> (func=func at entry=<function at remote 0x7ffff457c3f0>,
> pp_stack=pp_stack at entry=0x7fffffffbb48, flags=flags at entry=3, na=na at entry=0,
> nk=nk at entry=0) at ../Python/ceval.c:5036
> Python Exception <class 'RuntimeError'> Type does not have a target.:
> #52 0x00005555556e3561 in PyEval_EvalFrameEx (f=f at entry=,
> throwflag=throwflag at entry=0) at ../Python/ceval.c:3277 #53
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff4a367c0>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=5, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: kws=0x55555628b550,
> kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=, qualname=)
> at ../Python/ceval.c:4020 #54 0x00005555556e5e64 in fast_function
> (func=func at entry=<function at remote 0x7ffff457c4a8>,
> pp_stack=pp_stack at entry=0x7fffffffbdc0, n=n at entry=5, na=na at entry=5,
> nk=nk at entry=0) at ../Python/ceval.c:4815
> #55 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffbdc0, oparg=oparg at entry=5) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #56 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #57
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff4706ac0>, globals=<optimized out>, locals=locals at entry=0x0,
> args=args at entry=0x7ffff4609fd0, argcount=2, kws=kws at entry=0x7ffff7f88080,
> kwcount=0, defs=0x7ffff4703f80, defcount=3, kwdefs=0x0, closure=0x0,
> name=0x0, qualname=0x0) at ../Python/ceval.c:4020 #58 0x00005555556e5db6 in
> PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>,
> locals=locals at entry=0x0, args=args at entry=0x7ffff4609fd0,
> argcount=<optimized out>, kws=kws at entry=0x7ffff7f88080, kwcount=0,
> defs=0x7ffff4703f80, defcount=3, kwdefs=0x0, closure=0x0) at
> ../Python/ceval.c:4041 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #59 0x00005555557ba8ec in function_call (func=<function
> at remote 0x7ffff457c560>, arg=, kw={}) at ../Objects/funcobject.c:627
> Python Exception <class 'RuntimeError'> Type does not have a target.: #60
> 0x00005555555ef3c2 in PyObject_Call (func=func at entry=<function at remote
> 0x7ffff457c560>, arg=arg at entry=, kw=kw at entry={}) at
> ../Objects/abstract.c:2166 #61 0x00005555556d9998 in ext_do_call
> (func=func at entry=<function at remote 0x7ffff457c560>,
> pp_stack=pp_stack at entry=0x7fffffffc0e8, flags=flags at entry=3, na=na at entry=1,
> nk=nk at entry=0) at ../Python/ceval.c:5036
> Python Exception <class 'RuntimeError'> Type does not have a target.:
> #62 0x00005555556e3561 in PyEval_EvalFrameEx (f=f at entry=,
> throwflag=throwflag at entry=0) at ../Python/ceval.c:3277 #63
> 0x00005555556e5f4d in fast_function (func=func at entry=<function at remote
> 0x7ffff4b23e00>, pp_stack=pp_stack at entry=0x7fffffffc290, n=n at entry=3,
> na=na at entry=3, nk=nk at entry=0) at ../Python/ceval.c:4805
> #64 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffc290, oparg=oparg at entry=2) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #65 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #66
> 0x00005555556e5f4d in fast_function (func=func at entry=<function at remote
> 0x7ffff4b221c8>, pp_stack=pp_stack at entry=0x7fffffffc440, n=n at entry=2,
> na=na at entry=2, nk=nk at entry=0) at ../Python/ceval.c:4805
> #67 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffc440, oparg=oparg at entry=1) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #68 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 Python
> Exception <class 'RuntimeError'> Type does not have a target.: Python
> Exception <class 'RuntimeError'> Type does not have a target.: #69
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=_co at entry=<code at
> remote 0x7ffff47eba00>, globals=globals at entry=, locals=locals at entry=,
> args=args at entry=0x0, argcount=argcount at entry=0, kws=kws at entry=0x0,
> kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=0x0,
> qualname=0x0) at ../Python/ceval.c:4020 Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: #70 0x00005555556e5db6 in
> PyEval_EvalCodeEx (_co=_co at entry=<code at remote 0x7ffff47eba00>,
> globals=globals at entry=, locals=locals at entry=, args=args at entry=0x0,
> argcount=argcount at entry=0, ---Type <return> to continue, or q <return> to
> quit---
> kws=kws at entry=0x0, kwcount=0, defs=0x0, defcount=0, kwdefs=0x0,
> closure=0x0) at ../Python/ceval.c:4041 Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: #71 0x00005555556e5ddf in
> PyEval_EvalCode (co=co at entry=<code at remote 0x7ffff47eba00>,
> globals=globals at entry=, locals=locals at entry=) at ../Python/ceval.c:777
> Python Exception <class 'RuntimeError'> Type does not have a target.:
> Python Exception <class 'RuntimeError'> Type does not have a target.: #72
> 0x00005555556d4047 in builtin_exec_impl (module=module at entry=<module at
> remote 0x7ffff7f50c58>, source=<code at remote 0x7ffff47eba00>, globals=,
> locals=) at ../Python/bltinmodule.c:956 #73 0x00005555556d4150 in
> builtin_exec (module=<module at remote 0x7ffff7f50c58>, args=<optimized
> out>) at ../Python/clinic/bltinmodule.c.h:274 Python Exception <class
> 'RuntimeError'> Type does not have a target.: #74 0x000055555564015d in
> PyCFunction_Call (func=func at entry=<built-in method exec of module object at
> remote 0x7ffff7f50c58>, args=args at entry=, kwds=kwds at entry=0x0) at
> ../Objects/methodobject.c:109 #75 0x00005555556e64e1 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffc7a0, oparg=oparg at entry=3) at
> ../Python/ceval.c:4707 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #76 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #77
> 0x00005555556e5f4d in fast_function (func=func at entry=<function at remote
> 0x7ffff4b20338>, pp_stack=pp_stack at entry=0x7fffffffc950, n=n at entry=2,
> na=na at entry=2, nk=nk at entry=0) at ../Python/ceval.c:4805
> #78 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffc950, oparg=oparg at entry=1) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #79 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #80
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff454bc40>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=3, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: kws=0x555556286da0,
> kwcount=2, defs=0x7ffff4549c50, defcount=2, kwdefs=0x0, closure=0x0, name=,
> qualname=) at ../Python/ceval.c:4020 #81 0x00005555556e5e64 in
> fast_function (func=func at entry=<function at remote 0x7ffff4b20280>,
> pp_stack=pp_stack at entry=0x7fffffffcbd0, n=n at entry=7, na=na at entry=3,
> nk=nk at entry=2) at ../Python/ceval.c:4815
> #82 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffcbd0, oparg=oparg at entry=514) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #83 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #84
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff454ba00>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=2, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: kws=0x555556281868,
> kwcount=1, defs=0x7ffff4cc2260, defcount=3, kwdefs=0x0, closure=0x0, name=,
> qualname=) at ../Python/ceval.c:4020 #85 0x00005555556e5e64 in
> fast_function (func=func at entry=<function at remote 0x7ffff4b20110>,
> pp_stack=pp_stack at entry=0x7fffffffce50, n=n at entry=4, na=na at entry=2,
> nk=nk at entry=1) at ../Python/ceval.c:4815
> #86 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffce50, oparg=oparg at entry=257) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #87 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #88
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff4b2a280>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=1, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: kws=0x555556281578,
> kwcount=1, defs=0x7ffff4b3e7d0, defcount=1, kwdefs=0x0, closure=0x0, name=,
> qualname=) at ../Python/ceval.c:4020 #89 0x00005555556e5e64 in
> fast_function (func=func at entry=<function at remote 0x7ffff4b3ae00>,
> pp_stack=pp_stack at entry=0x7fffffffd0d0, n=n at entry=3, na=na at entry=1,
> nk=nk at entry=1) at ../Python/ceval.c:4815
> #90 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffd0d0, oparg=oparg at entry=256) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #91 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #92
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff4b2a040>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=1, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: kws=0x5555561033d0,
> kwcount=0, defs=0x7ffff4b3e768, defcount=1, kwdefs=0x0, closure=0x0, name=,
> qualname=) at ../Python/ceval.c:4020 #93 0x00005555556e5e64 in
> fast_function (func=func at entry=<function at remote 0x7ffff4b3ac90>,
> pp_stack=pp_stack at entry=0x7fffffffd350, n=n at entry=1, na=na at entry=1,
> nk=nk at entry=0) at ../Python/ceval.c:4815
> #94 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffd350, oparg=oparg at entry=0) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #95 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #96
> 0x00005555556e5f4d in fast_function (func=func at entry=<function at remote
> 0x7ffff47a3e00>, pp_stack=pp_stack at entry=0x7fffffffd500, n=n at entry=1,
> na=na at entry=1, nk=nk at entry=0) at ../Python/ceval.c:4805
> #97 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffd500, oparg=oparg at entry=0) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #98 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 #99
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff68bc7c0>, globals=<optimized out>, locals=locals at entry=0x0,
> args=args at entry=0x7ffff7e7aa40, argcount=1, kws=kws at entry=0x7ffff693b6a0,
> kwcount=1, defs=0x7ffff4ab60e8, defcount=1, kwdefs=0x0, closure=0x0,
> name=0x0, qualname=0x0) at ../Python/ceval.c:4020 #100 0x00005555556e5db6
> in PyEval_EvalCodeEx (_co=<optimized out>, globals=<optimized out>,
> locals=locals at entry=0x0, args=args at entry=0x7ffff7e7aa40,
> argcount=<optimized out>, kws=kws at entry=0x7ffff693b6a0, kwcount=1,
> defs=0x7ffff4ab60e8, defcount=1, kwdefs=0x0, closure=0x0) at
> ../Python/ceval.c:4041 Python Exception <class 'RuntimeError'> Type does
> not have a target.: Python Exception <class 'RuntimeError'> Type does not
> have a target.: #101 0x00005555557ba8ec in function_call (func=<function at
> remote 0x7ffff4abd110>, arg=, kw=) at ../Objects/funcobject.c:627 Python
> Exception <class 'RuntimeError'> Type does not have a target.: Python
> Exception <class 'RuntimeError'> Type does not have a target.: #102
> 0x00005555555ef3c2 in PyObject_Call (func=func at entry=<function at remote
> 0x7ffff4abd110>, arg=arg at entry=, kw=kw at entry=) at
> ../Objects/abstract.c:2166 #103 0x00005555556d9998 in ext_do_call
> (func=func at entry=<function at remote 0x7ffff4abd110>,
> pp_stack=pp_stack at entry=0x7fffffffd828, flags=flags at entry=2, na=na at entry=1,
> nk=nk at entry=1) at ../Python/ceval.c:5036
> Python Exception <class 'RuntimeError'> Type does not have a target.:
> #104 0x00005555556e3561 in PyEval_EvalFrameEx (f=f at entry=,
> throwflag=throwflag at entry=0) at ../Python/ceval.c:3277 #105
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=<code at remote
> 0x7ffff6920c40>, globals=<optimized out>, locals=locals at entry=0x0,
> args=<optimized out>, argcount=argcount at entry=0, Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: kws=0x555555c91808,
> kwcount=0, defs=0x7ffff6853c48, defcount=1, kwdefs=0x0, closure=0x0, name=,
> qualname=) at ../Python/ceval.c:4020 #106 0x00005555556e5e64 in
> fast_function (func=func at entry=<function at remote 0x7ffff47aa8f8>,
> pp_stack=pp_stack at entry=0x7fffffffdaa0, n=n at entry=0, na=na at entry=0,
> nk=nk at entry=0) at ../Python/ceval.c:4815
> #107 0x00005555556e65d7 in call_function
> (pp_stack=pp_stack at entry=0x7fffffffdaa0, oparg=oparg at entry=0) at
> ../Python/ceval.c:4732 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #108 0x00005555556e332e in PyEval_EvalFrameEx
> (f=f at entry=, throwflag=throwflag at entry=0) at ../Python/ceval.c:3238 Python
> Exception <class 'RuntimeError'> Type does not have a target.: Python
> Exception <class 'RuntimeError'> Type does not have a target.: #109
> 0x00005555556e5cec in _PyEval_EvalCodeWithName (_co=_co at entry=<code at
> remote 0x7ffff7e6d1c0>, globals=globals at entry=, locals=locals at entry=,
> args=args at entry=0x0, argcount=argcount at entry=0, kws=kws at entry=0x0,
> kwcount=0, defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=0x0,
> qualname=0x0) at ../Python/ceval.c:4020 Python Exception <class
> 'RuntimeError'> Type does not have a target.: Python Exception <class
> 'RuntimeError'> Type does not have a target.: #110 0x00005555556e5db6 in
> PyEval_EvalCodeEx (_co=_co at entry=<code at remote 0x7ffff7e6d1c0>,
> globals=globals at entry=, locals=locals at entry=, args=args at entry=0x0,
> argcount=argcount at entry=0, kws=kws at entry=0x0, kwcount=0, defs=0x0,
> defcount=0, kwdefs=0x0, closure=0x0) at ../Python/ceval.c:4041 Python
> Exception <class 'RuntimeError'> Type does not have a target.: Python
> Exception <class 'RuntimeError'> Type does not have a target.: #111
> 0x00005555556e5ddf in PyEval_EvalCode (co=co at entry=<code at remote
> 0x7ffff7e6d1c0>, globals=globals at entry=, locals=locals at entry=) at
> ../Python/ceval.c:777 Python Exception <class 'RuntimeError'> Type does not
> have a target.: Python Exception <class 'RuntimeError'> Type does not have
> a target.: Python Exception <class 'RuntimeError'> Type does not have a
> target.: #112 0x00005555555bb71d in run_mod (mod=mod at entry=0x555555d12d58,
> filename=filename at entry=, globals=globals at entry=, locals=locals at entry=,
> flags=flags at entry=0x7fffffffdd80, arena=arena at entry=0x555555cc3730) at
> ../Python/pythonrun.c:976 Python Exception <class 'RuntimeError'> Type does
> not have a target.: #113 0x00005555555be70d in PyRun_FileExFlags
> (fp=fp at entry=0x555555c67e20, filename_str=filename_str at entry=0x7ffff7e61a30
> "/usr/bin/ipython3", start=start at entry=257, globals=globals at entry=, Python
> Exception <class 'RuntimeError'> Type does not have a target.:
> locals=locals at entry=, closeit=closeit at entry=1, flags=0x7fffffffdd80) at
> ../Python/pythonrun.c:929 #114 0x00005555555beaf8 in
> PyRun_SimpleFileExFlags (fp=fp at entry=0x555555c67e20, filename=<optimized
> out>, filename at entry=0x7ffff7e61a30 "/usr/bin/ipython3",
> closeit=closeit at entry=1, flags=flags at entry=0x7fffffffdd80) at
> ../Python/pythonrun.c:396 #115 0x00005555555bec98 in PyRun_AnyFileExFlags
> (fp=fp at entry=0x555555c67e20, filename=0x7ffff7e61a30 "/usr/bin/ipython3",
> closeit=closeit at entry=1, flags=flags at entry=0x7fffffffdd80) at
> ../Python/pythonrun.c:80
> #116 0x00005555555ceb1c in run_file (fp=fp at entry=0x555555c67e20,
> filename=filename at entry=0x555555bff310 L"/usr/bin/ipython3",
> p_cf=p_cf at entry=0x7fffffffdd80) at ../Modules/main.c:318 #117
> 0x00005555555cf71e in Py_Main (argc=2, argv=0x555555bfe020) at
> ../Modules/main.c:768 #118 0x00005555555b527c in main (argc=2,
> argv=0x7fffffffdf98) at ../Programs/python.c:65
>
>
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