josh-fell commented on a change in pull request #19608:
URL: https://github.com/apache/airflow/pull/19608#discussion_r749875559
##########
File path: airflow/decorators/base.py
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@@ -202,7 +202,16 @@ def task_decorator_factory(
# 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 the return type annotation is already the builtins ``dict`` type,
use it for the inference.
+ if sig == dict:
+ ttype = sig
Review comment:
I updated the unit tests for some different flavors of typing too if it
helps.
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