Convert all modeltests to use absolute imports, rather than relative ones.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16975 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/modeltests/user_commands/management/commands/dance.py

@@ -1,6 +1,8 @@
 from optparse import make_option
+
 from django.core.management.base import BaseCommand
 
+
 class Command(BaseCommand):
     help = "Dance around like a madman."
     args = ''