Python 2.x (30 bytes):

_='_=%r;print _%%_';print _%_

Python 3.x (32 bytes)

_='_=%r;print(_%%_)';print(_%_)

Is this the shortest possible Python quine, or can it be done better? This one seems to improve on all the entries on The Quine Page.

I'm not counting the trivial 'empty' program.

I'm just going to leave this here (save as exceptionQuine.py):

    File "exceptionQuine.py", line 1File "exceptionQuine.py", line 1^
IndentationError: unexpected indent