sys imports & redirection

gistfile1.py

#!/usr/bin/python 

# DOES NOT WORK -------------------------------------------------------------- #
def does_not_work():
    from sys import stderr, stdout 

    _stdout = stdout 
    stdout  = stderr 

    print('does_not_work()') 


# DOES WORK ------------------------------------------------------------------ #
def does_work():
    import sys 

    _stdout    = sys.stdout 
    sys.stdout = sys.stderr

    print('does_work()') 

does_not_work() 
does_work()