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13 changes: 6 additions & 7 deletions google/cloud/sqlalchemy_spanner/sqlalchemy_spanner.py
Original file line number Diff line number Diff line change
Expand Up @@ -800,13 +800,12 @@ def do_rollback(self, dbapi_connection):
To prevent rollback exception, don't rollback
committed/rolled back transactions.
"""
if (
not isinstance(dbapi_connection, spanner_dbapi.Connection)
and dbapi_connection.connection._transaction
and (
dbapi_connection.connection._transaction.rolled_back
or dbapi_connection.connection._transaction.committed
)
if not isinstance(dbapi_connection, spanner_dbapi.Connection):
dbapi_connection = dbapi_connection.connection

if dbapi_connection._transaction and (
dbapi_connection._transaction.rolled_back
or dbapi_connection._transaction.committed
):
pass
else:
Expand Down