Ondra Zahradnik

RetrievalQA cannot be called with QA chain having `return_intermediate_steps=True`

1

It fails with ``` File [langchain/chains/base.py:113], in Chain.__call__(self, inputs, return_only_outputs) 107 self.callback_manager.on_chain_start( 108 {"name": self.__class__.__name__}, 109 inputs, 110 verbose=self.verbose, 111 ) 112 try: --> 113 outputs = self._call(inputs) 114 except...

Grouping by two columns mixes the keys up. See below. Aggregated output shows dict with `'grp_1': 'b', 'grp_2': 'c' `. That combination of keys is not present in original `list_dicts`...

I spotted missing `DBInstanceIdentifier` in this alarm causing it to be always in `Insufficient Data` state.