Background:
System: MAC system
problem: Python runs the python project provided by others, but the file in the project exists, but it prompts that there is no such file
specific error:
error: cannot run program “/ users/Bob/pychamprojects/untitled/venv/bin/Python” (in directory “/ users/Bob/desktop/1”): error = 2, no such file or director

Solution:
delete the hidden. Idea file under the project, restart pycharm and run it again