Sergey Fedoseev 10bfa876be Refs #27985 -- Reallowed using __exact=None as an alias for __isnull=True if a custom lookup class with lookup_name != None is registered as the exact lookup. ... Regression in 58da81a5a3 and prerequisite for refs #28896.		2017-12-12 17:11:58 -10:00
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__init__.py	…
models.py	…
tests.py	Refs #27985 -- Reallowed using __exact=None as an alias for __isnull=True if a custom lookup class with lookup_name != None is registered as the exact lookup.	2017-12-12 17:11:58 -10:00