BUG: DatetimeIndex.union returning object dtype for indexes with the same tz but different units #55259

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mroeschke merged 2 commits into pandas-dev:main from lukemanley:tz-find-common-type

Sep 25, 2023

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lukemanley commented Sep 24, 2023

closes BUG: Union of timezone-aware indices with different units returns index with dtype 'object' #55238
Tests added and passed if fixing a bug or adding a new feature
All code checks passed.
Added type annotations to new arguments/methods/functions.
Added an entry in the latest doc/source/whatsnew/v2.2.0.rst file if fixing a bug or adding a new feature.


          add DatetimeTZDtype._get_common_type

07545ba

lukemanley added Bug Dtype Conversions labels

lukemanley added this to the 2.2 milestone


          mypy

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mroeschke approved these changes

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mroeschke merged commit 2e3cb76 into pandas-dev:main

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mroeschke commented Sep 25, 2023

Thanks @lukemanley

lukemanley deleted the tz-find-common-type branch

November 16, 2023 12:56

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Bug Dtype Conversions