因此，运行PyQt5应用程序对PyCharm来说没有问题。但是，尝试调试它时，出现以下错误消息：
Connected to pydev debugger (build 191.7479.30)
This application failed to start because it could not find or load the Qt platform plugin "xcb"
in "".
Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl, xcb.
Reinstalling the application may fix this problem.
我设法找到一些随机的中文帖子，说一些关于指定QT_QPA_PLATFORM_PLUGIN_PATH的内容，因此将其设置为~/.local/lib/python3.6/site-packages/PyQt5/Qt/plugins（我正在使用python 3.6）。现在，我收到一条新的错误消息：
Connected to pydev debugger (build 191.7479.30)
Cannot mix incompatible Qt library (version 0x50a01) with this library (version 0x50c02)
Process finished with exit code 134 (interrupted by signal 6: SIGABRT)
我尝试升级PyQt5软件包，但一直收到相同的错误（但现在第一个版本号大于第二个版本号）。我需要升级PyQt5库吗？我该怎么做？