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Diffstat (limited to 'lib/sqlalchemy/orm/base.py')
| -rw-r--r-- | lib/sqlalchemy/orm/base.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/sqlalchemy/orm/base.py b/lib/sqlalchemy/orm/base.py index e81375787..896041980 100644 --- a/lib/sqlalchemy/orm/base.py +++ b/lib/sqlalchemy/orm/base.py @@ -151,7 +151,8 @@ NOT_EXTENSION = util.symbol('NOT_EXTENSION', """) -_none_set = frozenset([None]) +_none_set = frozenset([None, NEVER_SET, PASSIVE_NO_RESULT]) +_none_tuple = tuple(_none_set) # for "in" checks that won't trip __hash__ def _generative(*assertions): |