ubuntu 安裝pyqt5 和卸載pyQt5

安裝pyqt5python wind@wind-ThinkPad-X250:~/Downloads/PyQt5_gpl-5.12.2$ python3 -m pip install PyQt5 Collecting PyQt5 Downloading https://files.pythonhosted.org/packages/6a/f4/6a63aafcee3efd2b156dc835d9

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