【Python Debug】pyqtgraph ValueError: PyCapsule

[Python] Debug ValueError: PyCapsule_GetPointer called with incorrect name：

尝试使用pyqtgraph+pyserial实现实时读取串口数据并显示波形图

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问题描述

遇到bug，具体为：

Traceback (most recent call last):
  File ".\multi_thread2.py", line 4, in <module>
    import pyqtgraph as pg
  File "D:\apps\Anaconda\lib\site-packages\pyqtgraph\__init__.py", line 17, in <module>
    from .colors import palette
  File "D:\apps\Anaconda\lib\site-packages\pyqtgraph\colors\palette.py", line 1, in <module>
    from ..Qt import QtGui
  File "D:\apps\Anaconda\lib\site-packages\pyqtgraph\Qt\__init__.py", line 170, in <module>
    from PyQt5 import QtSvg
ValueError: PyCapsule_GetPointer called with incorrect name

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原因分析：

原因推测为 PyQt5版本问题

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解决方案：

1、更新pip

python -m pip install --upgrade pip

2、重新安装pyqtgraph及PyQt5

pip install pyqtgraph
pip install PyQt5