ryanthompson591 commented on code in PR #21777:
URL: https://github.com/apache/beam/pull/21777#discussion_r894853598
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sdks/python/apache_beam/ml/inference/base.py:
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@@ -93,6 +95,100 @@ def batch_elements_kwargs(self) -> Mapping[str, Any]:
return {}
+class KeyedModelHandler(Generic[KeyT, ExampleT, PredictionT, ModelT],
Review Comment:
I wonder if there's any way to make this more readable or simple. All these
nested lists are making my eyes a little buggy.
Can we perhaps use constants here?
BASIC_MODEL_HANDLER = ModelHandler[Tuple[KeyT, ExampleT]
KEYED_PREDICTION = Tuple[KeyT, PredictionT]
Or are there any other ways to make some of this templating go away?
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