问题描述
我有一次在我的 PC 上成功运行了 OpenPcdet 的 demo.py,但我在我的 PC 上做了一些更改,尽管安装了 mayavi 和 PyQt5,但这次我无法成功运行它。 使用 python 3.8 运行 demo.py 显示以下内容
Traceback (most recent call last):
File "demo.py",line 104,in <module>
main()
File "demo.py",line 93,in main
V.draw_scenes(
File "/home/youssef/OpenPCDet/tools/visual_utils/visualize_utils.py",line 154,in draw_scenes
fig = visualize_pts(points)
File "/home/youssef/OpenPCDet/tools/visual_utils/visualize_utils.py",line 77,in visualize_pts
fig = mlab.figure(figure=None,bgcolor=bgcolor,fgcolor=fgcolor,engine=None,size=size)
File "/home/youssef/.local/lib/python3.8/site-packages/mayavi/tools/figure.py",line 64,in figure
engine = get_engine()
File "/home/youssef/.local/lib/python3.8/site-packages/mayavi/tools/engine_manager.py",line 92,in get_engine
return self.new_engine()
File "/home/youssef/.local/lib/python3.8/site-packages/mayavi/tools/engine_manager.py",line 137,in new_engine
check_backend()
File "/home/youssef/.local/lib/python3.8/site-packages/mayavi/tools/engine_manager.py",line 40,in check_backend
raise ImportError(msg)
ImportError: Could not import backend for traitsui. Make sure you
have a suitable UI toolkit like PyQt/PySide or wxPython
installed.
解决方法
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