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BUG: GH3380 groupby will handle mutation on a DataFrame group's columns #3384

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merged 1 commit into from
Apr 20, 2013

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jreback
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@jreback jreback commented Apr 17, 2013

and fallback to non-fast apply

fixes #3380

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jreback commented Apr 17, 2013

@wesm if you would just take a quick look, trivial fix, and didn't break anything else, maybe this was an undocced guarantee?

jreback added a commit that referenced this pull request Apr 20, 2013
BUG: GH3380 groupby will handle mutation on a DataFrame group's columns
@jreback jreback merged commit 1380bb8 into pandas-dev:master Apr 20, 2013
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wesm commented Apr 20, 2013

No problems here. Thanks!

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Assignment in groupby fails with error (AssertionError: Index length did not match values)
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