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-rw-r--r--lib/sqlalchemy/dialects/postgresql/hstore.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/hstore.py b/lib/sqlalchemy/dialects/postgresql/hstore.py
index 74419460b..ee2c654a3 100644
--- a/lib/sqlalchemy/dialects/postgresql/hstore.py
+++ b/lib/sqlalchemy/dialects/postgresql/hstore.py
@@ -180,6 +180,7 @@ class HSTORE(sqltypes.Concatenable, sqltypes.TypeEngine):
"""
__visit_name__ = 'HSTORE'
+ hashable = False
class comparator_factory(sqltypes.Concatenable.Comparator):
"""Define comparison operations for :class:`.HSTORE`."""