Better message for exception for templated base operator fields

apache · Feb 23, 2024 · 3d2d6ea · 3d2d6ea
1 parent f8b947e
commit 3d2d6ea
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/airflow/serialization/serialized_objects.py b/airflow/serialization/serialized_objects.py
@@ -872,7 +872,10 @@ def _serialize_node(cls, op: BaseOperator | MappedOperator, include_deps: bool)
         if op.template_fields:
             for template_field in op.template_fields:
                 if template_field in forbidden_fields:
-                    raise AirflowException(f"Cannot template BaseOperator fields: {template_field}")
+                    raise AirflowException(
+                        f"""Cannot template BaseOperator field:
+                        {template_field!r} {op.__class__.__name__=} {op.template_fields=}"""
+                    )
                 value = getattr(op, template_field, None)
                 if not cls._is_excluded(value, template_field, op):
                     serialize_op[template_field] = serialize_template_field(value)