Fixed the test in [6218] which was invalid for psycopg2 and friends -- executemany() shouldn't accept None, just empty lists.
Fixed the test in [6218] which was invalid for psycopg2 and friends -- executemany() shouldn't accept None, just empty lists.

--HG--
extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%406242

adieu/django-nonrel,adieu/django-nonrel,adieu/django-nonrel