BUG/TST Added support for empty dictionary when passed to agg for gro… #50192
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…upby This adds consistency across empty containers when passed to agg for groupby. Also added new test to check new functionality works as expected.
mroeschke reviewed Dec 13, 2022
| # empty list and tuple | ||
| from pandas import DataFrame | ||
| | ||
| result = DataFrame() |
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Does type(selected_object)() work here?
rhshadrach reviewed Dec 13, 2022
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| def test_empty_container_consistency(): | ||
| df = DataFrame(data={"a": [1, 2], "b": [3, 4], "c": [5, 6]}) |
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Can you add the GitHub Issue number as a comment in the first line
Comment on lines +417 to +420
| # GH 48581 - Adding consistency to empty agg types | ||
| if not results: | ||
| # return empty DataFrame if results is empty, following pattern | ||
| # empty list and tuple |
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I think the comments here can be removed; I think it's clear that the else code path will fail in this case and why we're returning an empty frame.
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| This pull request is stale because it has been open for thirty days with no activity. Please update and respond to this comment if you're still interested in working on this. |
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| Thanks for the pull request, but it appears to have gone stale. If interested in continuing, please merge in the main branch, address any review comments and/or failing tests, and we can reopen. |
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…upby
This adds consistency across empty containers when passed to agg for groupby. Also added new test to check new functionality works as expected.
doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.