cozos commented on issue #18121:
URL: https://github.com/apache/beam/issues/18121#issuecomment-1524832762
@kennknowles @francesperry
I'm trying to understand this better. So a DoFn does something like this in
Python:
```
def process(self, element: Dict[str, Any]) -> Iterator[Dict[str, Any]]:
element["new_key"] = "new_value"
yield element
```
Bad things will happen? Under what conditions? Is this documented anywhere
in Beam? I can't find anything here:
https://beam.apache.org/documentation/programming-guide/#pardo
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