wtf Python

I was writing some code, in a file called 'code.py'. I tried adding doctests and running them; this would hang, or complain about circular imports. It seems that 'import doctest' will run a file in the directory called 'code.py' -- e.g. make a 'code.py' file like

while True:
    pass

start python, import doctest, and watch it hang.

This seems poor, and undocumented. Probably I should file a bug later.

I guess I have a new candidate for interview questions about problem solving.