In python, how to restore the function of os.chdir() if os.chdir = 'path' has been implemented

Question

In path setup, I wrongly wrote the code: os.chdir = '\some path', which turns the function os.chdir() into a string. Is there any quick way to restore the function without restarting the software? Thanks!

Answer 1

Kicking os out of the modules cache can make it freshly importable again:

>>> import sys, os
>>> os.chdir = "d'oh!"
>>> os.chdir()
TypeError: 'str' object is not callable
>>> del sys.modules['os']
>>> import os
>>> os.chdir
<function posix.chdir>