Question

Python3.5+PYQT5：ModuleNotFoundError: No module named 'PyQt5'

python3.5+pycharm+pyqt5使用PyUIC时，报出标题所示错误，如图所示pycharm中，pyuic配置如图系统环境变量配置如图求解~

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Answer 1

Okay, I hammered at this until I finally found a solution. It seems like this might be a bug in the PyQt library installation or somewhere else. I created a $PYTHONPATH environment variable to point to the newly installed PyQt .py files that hold references to the all of the Qt bindings.
export set PYTHONPATH=$PYTHONPATH:/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages

After that, everything worked like magic. This includes PyCharm after going to Settings->Project Interpreter->Python Interpreters->Paths (tab), and clicking the "Reload list of paths" button with the blue circular arrows on the bottom.