dsuhinin commented on code in PR #62174:
URL: https://github.com/apache/airflow/pull/62174#discussion_r2927372153


##########
task-sdk/src/airflow/sdk/bases/decorator.py:
##########
@@ -313,6 +313,23 @@ def __init__(
             param.replace(default=None) if param.name in KNOWN_CONTEXT_KEYS 
else param
             for param in signature.parameters.values()
         ]
+
+        # Python requires that positional parameters with defaults don't 
precede those without.
+        # This only applies to POSITIONAL_ONLY and POSITIONAL_OR_KEYWORD 
parameters — *args,
+        # **kwargs, and keyword-only parameters follow different rules.
+        positional_kinds = (inspect.Parameter.POSITIONAL_ONLY, 
inspect.Parameter.POSITIONAL_OR_KEYWORD)
+        positional = [(i, p) for i, p in enumerate(parameters) if p.kind in 
positional_kinds]
+        first_default_idx = next((i for i, p in positional if p.default != 
inspect.Parameter.empty), None)
+        if first_default_idx is not None:
+            parameters = [
+                param.replace(default=None)

Review Comment:
   ok, fixed and add a bit comments.



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