ubuntu20.04安装软件错误排查解决

1. 安装PPOCRLabel报错

1. 错误信息

Deprecated in NumPy 1.20; for more details and guidance: https://numpy.org/devdocs/release/1.20.0-notes.html#deprecations
  0, 0, 0, 0, 0, 0, 0, 0, 0], dtype=np.bool)
QObject::moveToThread: Current thread (0x563e4a85a3d0) is not the object's thread (0x563e4a1346b0).
Cannot move to target thread (0x563e4a85a3d0)

qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "/home/geekplusa/anaconda3/envs/paddle-ocr/lib/python3.7/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, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, webgl.
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C++ Traceback (most recent call last):
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No stack trace in paddle, may be caused by external reasons.
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Error Message Summary:
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FatalError: `Process abort signal` is detected by the operating system.
  [TimeInfo: *** Aborted at 1643275782 (unix time) try "date -d @1643275782" if you are using GNU date ***]
  [SignalInfo: *** SIGABRT (@0x3e800003740) received by PID 14144 (TID 0x7fab6b12e340) from PID 14144 ***]

已放弃 (核心已转储)

2. 解决:
   降低opencv-python版本

pip install opencv-python==4.3.0.36 PyQt5==5.15.2