[PyQt] Error configuring PyQt 5.6

[Glenn Ramsey]

Hi Phil,

Sip from Mercurial builds Ok, but I now get this error when configuring PyQt.
Using the latest snapshot PyQt5_commercial-5.6.dev1603292258, Windows 10, 64 bit
python, VS 2015.

Generating the C++ source for the _QOpenGLFunctions_ES2 module...
C:\Python27\sip.exe -w -f -x VendorID -t WS_WIN -t Qt_5_6_0 -x PyQt_SSL -x
PyQt_Desktop_OpenGL -x Py_v3 -B Qt_6_0_0 -o -c
C:\Users\dev\Documents\rp\thirdparty\PyQt5_commercial-5.6.dev1603292258\_QOpenGLFunctions_ES2
-I sip -I
C:\Users\dev\Documents\rp\thirdparty\PyQt5_commercial-5.6.dev1603292258\sip
C:\Users\dev\Documents\rp\thirdparty\PyQt5_commercial-5.6.dev1603292258\sip/_QOpenGLFunctions_ES2/_QOpenGLFunctions_ES2mod.sip
sip: Parser warning:
C:\Users\dev\Documents\rp\thirdparty\PyQt5_commercial-5.6.dev1603292258\sip/_QOpenGLFunctions_ES2/qopenglfunctions_es2.sip:240:
Annotation is unknown
Error: Unable to create the C++ code.

Glenn