Error message: PIP _vendor. Urllib3. Exceptions. ReadTimeoutError:
HTTPSConnectionPool (host = “pypi.tuna.tsinghua.edu.cn”, the port = 443) : Read timed out.
directly in the console input PIP install opencv – python error as shown in figure:

May be because I accidentally canceled the cause behind all installation not
behind direct route directly to tsinghua source download and then switch to the installation was successful
tsinghua source: https://pypi.tuna.tsinghua.edu.cn/simple/opencv-python/
small pit: switch plate command is “E:”, rather than the CD disc cutting
reference: https://blog.csdn.net/qq_43766304/article/details/104862174