Python3: ImportError: No module named '_ctypes'
解决
sudo apt-get install libffi-dev
WARNING: The Python bz2 extension was not compiled. Missing the bzip2 lib?
解决
sudo apt-get install libbz2-dev libreadline-dev libsqlite3-dev
安装pyqt5
1 sudo -H python3 -m pip install pyqt5