安装packge时出现runpy.py文件错误。请帮助我任何人。
$ pip install -r requirements.txt
Traceback (most recent call last):
File "c:\program files\python36\lib\runpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)
File "c:\program files\python36\lib\runpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:\Program Files\Python36\Scripts\pip.exe\__main__.py", line 5, in <module>
ImportError: cannot import name 'main'