You are using pip version 9.0.3, however version 20.3.3 is available.
You should consider upgrading via the ‘pip install --upgrade pip’ command.
解决方法: python3 -m pip install pip ==20.3.3
You are using pip version 9.0.3, however version 20.3.3 is available.
You should consider upgrading via the ‘pip install --upgrade pip’ command.
解决方法: python3 -m pip install pip ==20.3.3