BUG: clear cache on DataFrame._is_homogeneous_dtype #34937
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jreback
reviewed
Jun 23, 2020
| return len({block.dtype for block in self._mgr.blocks}) == 1 | ||
| else: | ||
| return not self._mgr.is_mixed_type | ||
| # Note: consolidates inplace |
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i would rather just push this entire thing to the manager, the frame/series shouldn't really be in charge of this as its accessing internal apis (or at least eventually they will be)
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semi-agree: we shouldnt mix-and-match. But _item_cache pretty much has to be on DataFrame, since that is where the Series objects are created.
jreback
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API - Consistency
jorisvandenbossche
approved these changes
Jun 24, 2020
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black pandasgit diff upstream/master -u -- "*.py" | flake8 --diff