turbaszek commented on a change in pull request #10349:
URL: https://github.com/apache/airflow/pull/10349#discussion_r521674847
##########
File path: airflow/operators/python.py
##########
@@ -255,6 +255,16 @@ def task(
:type multiple_outputs: bool
"""
+ # try to infer from type annotation
+ if python_callable and multiple_outputs is None:
+ sig = signature(python_callable).return_annotation
+ ttype = getattr(sig, "__origin__", None)
+
+ if sig != inspect.Signature.empty and ttype in (dict, Dict):
+ multiple_outputs = True
Review comment:
```suggestion
sig = signature(python_callable).return_annotation
ttype = getattr(sig, "__origin__", None)
multiple_outputs = sig != inspect.Signature.empty and ttype in
(dict, Dict)
```
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