ImportError: No module named 'PyQt5.sip'

Patrick Stinson patrickkidd at
Tue Apr 28 14:51:28 BST 2020

I suppose this is more of a pip question at this point, but do you know how to get:

   pip install .


   pip install PyQt5_sip-12.7.2.tar.gz

to build with debugging symbols? At first glance I don’t see anything like that in the pip docs.

> On Apr 28, 2020, at 5:48 AM, Patrick Stinson <patrickkidd at> wrote:
> Oh wow, it looks like I am also out of touch with pip and its capabilities.
> “pip install .” Worked for me using sip-5.2.0.tar.gz.
> Sounds like your idea to detect is a good one, however.
>> On Apr 28, 2020, at 5:09 AM, Phil Thompson <phil at> wrote:
>> Aah - I never build in that particular way, I always use pip to build the PyQt5.sip module.
>> To build from an unpacked source package...
>>   pip install .
>> To build from a local source package...
>>   pip install PyQt5_sip-12.7.2.tar.gz
>> To build from source from PyPI...
>>   pip install --no-binary :all: PyQt5-sip
>> I'll try and detect if 'python' is being used and either fix it or fail with an error message.
>> Phil
>> On 28/04/2020 13:39, Patrick Stinson wrote:
>>> Phil,
>>> It seems to me that this is likely documented somewhere since it is a
>>> latest-version source build with generic options?
>>> -Patrick
>>>> On Apr 27, 2020, at 11:26 PM, Patrick Stinson <patrickkidd at> wrote:
>>>> Now I am asking the same question as the OP. I built Python-3.8.4, sip-5.2.0, and PyQt5-5.14.2 on macOS and got the same error.
>>>> I built sip with “python install”
>>>> turin:vendor patrick$ python -c "import PyQt5.QtGui"
>>>> Traceback (most recent call last):
>>>> File "<string>", line 1, in <module>
>>>> ModuleNotFoundError: No module named 'PyQt5.sip'
>>>> -Patrick
>>>>> On Apr 27, 2020, at 1:33 PM, Phil Thompson <phil at> wrote:
>>>>>> On 27/04/2020 22:19, Gabriele Bulfon wrote:
>>>>>> Great Phil, that's where I pulled sources for both of them.
>>>>>> I have built and packaged PyQt5-sip and PyQt5 from those sources,
>>>>>> after building and packaging sip5 and PyQt-builder.
>>>>>> Maybe there's something wrong in what I'm delivering to the system
>>>>>> with PyQt5-sip?
>>>>>> Here's a brief of the files delivered by my package, as in the package
>>>>>> definition file (pkg, solaris).
>>>>>> I derived this from the prototype area generated by the build/install
>>>>>> on the prototype install root.
>>>>>> I bet something is wrong with the file...I still
>>>>>> don't understand how these cpython so files are looked up, but that is
>>>>>> what the build system created in the prototype area.
>>>>>> dir path=usr
>>>>>> dir path=usr/lib
>>>>>> dir path=usr/lib/python$(PYVER)
>>>>>> dir path=usr/lib/python$(PYVER)/vendor-packages
>>>>>> dir path=usr/lib/python$(PYVER)/vendor-packages/PyQt5
>>>>>> dir
>>>>>> path=usr/lib/python$(PYVER)/vendor-packages/PyQt5_sip-12.7.2-py$(PYVER).egg-info
>>>>>> file usr/lib/python$(PYVER)/vendor-packages/PyQt5/
>>>>>> path=usr/lib/python$(PYVER)/vendor-packages/PyQt5/
>>>>>> file
>>>>>> path=usr/lib/python$(PYVER)/vendor-packages/PyQt5_sip-12.7.2-py$(PYVER).egg-info/PKG-INFO
>>>>>> file
>>>>>> path=usr/lib/python$(PYVER)/vendor-packages/PyQt5_sip-12.7.2-py$(PYVER).egg-info/SOURCES.txt
>>>>>> file
>>>>>> path=usr/lib/python$(PYVER)/vendor-packages/PyQt5_sip-12.7.2-py$(PYVER).egg-info/dependency_links.txt
>>>>>> file
>>>>>> path=usr/lib/python$(PYVER)/vendor-packages/PyQt5_sip-12.7.2-py$(PYVER).egg-info/top_level.txt
>>>>> I would expect to see .dist-info rather than .egg-info. Maybe your setuptools is too old.
>>>>> Phil

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