diff options
Diffstat (limited to 'lib/sqlalchemy/util.py')
| -rw-r--r-- | lib/sqlalchemy/util.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqlalchemy/util.py b/lib/sqlalchemy/util.py index f8be5c3fd..9f9235450 100644 --- a/lib/sqlalchemy/util.py +++ b/lib/sqlalchemy/util.py @@ -154,6 +154,9 @@ class frozendict(dict): def __init__(self, *args): pass + def __reduce__(self): + return frozendict, (dict(self), ) + def union(self, d): if not self: return frozendict(d) |