uranusjr commented on code in PR #27826:
URL: https://github.com/apache/airflow/pull/27826#discussion_r1030104306
##########
airflow/decorators/base.py:
##########
@@ -300,6 +300,10 @@ def _infer_multiple_outputs(self):
except TypeError: # Can't evaluate return type.
return False
ttype = getattr(return_type, "__origin__", return_type)
+ if ttype == dict or ttype == Dict:
+ raise AttributeError(
+ "multiple_outputs was not set and will not implicitly unroll
dict for return values"
+ )
Review Comment:
I wonder if the new DagWarning mechanism is even better for this. It would
still allow the DAG to parse (i.e. not breaking people’s existing setups) but
instruct the user to fix things.
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