Merge pull request labgrid-project#1826 from dwagenk/fix-step-decorator-signature

step: remove step parameter from decorated functions signature

Author: Emantor

labgrid/step.py

@@ -227,6 +227,9 @@ def wrapper(*_args, **_kwargs):
                 step.stop()
             return _result
 
+        wrapper.__signature__ = signature.replace(
+            parameters=[p for p in signature.parameters.values() if p.name != "step"]
+        )
         return wrapper
 
     return decorator