fix

Author: 50Bytes-dev

sqlmodel/main.py

@@ -805,7 +805,7 @@ def get_column_from_field(field: Any) -> Union[Column, MappedSQLExpression[Any]]
     else:
         field_info = field.field_info
     sa_column = getattr(field_info, "sa_column", Undefined)
-    if isinstance(sa_column, (Column, MappedSQLExpression[Any])):
+    if isinstance(sa_column, (Column, MappedSQLExpression)):
         return sa_column
     sa_type = get_sqlalchemy_type(field)
     primary_key = getattr(field_info, "primary_key", Undefined)