See below my error: from PyQt5. py", line 2, in from PyQt5. QtWidgets'"". QtWidget), in pyqt5 it gets imported by itself as QtWidgets. 5 pip 21. Dec 19, 2013 · See here where I learned this: Python 3. 1k次。在尝试通过pip和pip3卸载并重新安装PyQt5时遇到问题，执行pip3 install PyQt5后出现错误。但使用pip install PyQt5则成功解决了问题。 May 27, 2019 · Hi all, I have installed Qt5 and python 3. QtWebEngineWidgets' If using a specific version of Python3, and the above doesn't work, you may need to specify the exact version of Python3 like this. sip Try uninstalling and re-installing all PyQt related libraries: pip uninstall PyQt5 pip uninstall PyQt5-sip pip uninstall PyQtWebEngine Then install them again, this will fix: Jun 1, 2023 · 文章浏览阅读693次。### 回答1： 这是因为您的Python环境中缺少PyQt5模块的QtWidgets子模块。您需要先安装PyQt5模块并确保已经正确安装了QtWidgets子模块。可以通过在终端或命令行中使用“pip install pyqt5”命令安装PyQt5模块，或者使用其他适合您的环境的安装方式。 Aug 13, 2019 · 我可以导入PyQt5，但当我在conda环境中安装pyqt时，我不能从PyQt5. The Python "ModuleNotFoundError: No module named 'PyQt5'" occurs when weforget to install the PyQt5module before importing it or install it in anincorrect environment.

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