Fix type error

greenplum-db · Sep 1, 2023 · c54b0b1 · c54b0b1
1 parent fbcdc44
commit c54b0b1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/greenplumpython/expr.py b/greenplumpython/expr.py
@@ -560,7 +560,8 @@ def _serialize_to_expr(obj: Any, db: Optional[Database] = None) -> str:
     if isinstance(obj, Expr):
         return obj._serialize(db=db)
     assert db is not None
-    return psycopg2.sql.Literal(obj).as_string(db._conn)
+    ret : str = psycopg2.sql.Literal(obj).as_string(db._conn)
+    return ret
 
 
 class BinaryExpr(Expr):