matplotlib | QObject::moveToThread：当前线程（0x831f000）不是对象的线程（0x95b40e0）。无法移动到目标线程 (0x831f000)

Question

已有关于此错误的帖子，但未与使用

matplotlib

结合使用。

QObject::moveToThread: Current thread (0x831f000) is not the object's thread (0x95b40e0).
Cannot move to target thread (0x831f000)

qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/me/miniconda3/envs/venv/lib/python3.9/site-packages/cv2/qt/plugins" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: xcb, eglfs, minimal, minimalegl, offscreen, vnc, webgl.

Aborted (core dumped)

Answer 1

在终端中设置环境变量

QT_PLUGIN_PATH

，可能会解决该错误：

export QT_PLUGIN_PATH=/home/me/miniconda3/envs/venv/lib/python3.9/site-packages/cv2/qt/plugins

如果没有，请安装依赖项：

sudo apt-get install libxcb1

pip install pyqt5