Python 3.9 pip run error --------------------------------------------------------------------------------------- c:\dev>pip Traceback (most recent call last): File "C:\dev\tools\Python\Python39\lib\runpy.py", line 197, in _run_module_as_main return _run_code(code, main_globals, None, File "C:\dev\tools\Python\Python39\lib\runpy.py", line 87, in _run_code exec(code, run_globals) File "C:\dev\tool..