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-rw-r--r--lib/sqlalchemy/sql/sqltypes.py2
1 files changed, 0 insertions, 2 deletions
diff --git a/lib/sqlalchemy/sql/sqltypes.py b/lib/sqlalchemy/sql/sqltypes.py
index 1b05465c9..44431d38f 100644
--- a/lib/sqlalchemy/sql/sqltypes.py
+++ b/lib/sqlalchemy/sql/sqltypes.py
@@ -3184,8 +3184,6 @@ class NullType(TypeEngine):
_isnull = True
- hashable = False
-
def literal_processor(self, dialect):
def process(value):
raise exc.CompileError(