times. Patch from Jeremy Carbaugh.

This is backwards incompatible in the sense that previously, if you tried to
compare timezone-aware and timezone-naive values, you got an incorrect result.
Now you get an empty string. So your previously incorrect code returns a
different incorrect result.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@8579 bcc190cf-cafb-0310-a4f2-bffc1f526a37