Hi all, and sorry for the late response. On Sat, Nov 19, 2016 at 11:48:51AM -0300, Lisandro Damián Nicanor Pérez Meyer wrote: > I'm CCing the pyqt5 maintainer and expert. Python is not my realm really.
The problem with python-spyder is that it tries to use Qt widgets without a QApplication instance. If I construct a QApplication, and then try to import the editor module, it works fine. I think the Python traceback is more helpful here than a C++ stack trace: $ python3 -X faulthandler -c "import spyder.plugins.editor" Fatal Python error: Segmentation fault Current thread 0x00007f56650a9700 (most recent call first): File "/usr/lib/python3/dist-packages/qtawesome/iconic_font.py", line 200 in load_font File "/usr/lib/python3/dist-packages/qtawesome/iconic_font.py", line 168 in __init__ File "/usr/lib/python3/dist-packages/qtawesome/__init__.py", line 36 in _instance File "/usr/lib/python3/dist-packages/qtawesome/__init__.py", line 153 in load_font File "/usr/lib/python3/dist-packages/spyder/utils/icon_manager.py", line 257 in icon File "/usr/lib/python3/dist-packages/spyder/plugins/runconfig.py", line 445 in RunConfigPage File "/usr/lib/python3/dist-packages/spyder/plugins/runconfig.py", line 440 in <module> [...] Line 200 of iconic_font.py is: id_ = QFontDatabase.addApplicationFont(os.path.join(directory, ttf_filename)) The QFontDatabase method will definitely not work properly without a Q(Gui)Application instance. -- Dmitry Shachnev
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