Bug in concat casting all na levels to float #44902
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Member
phofl
commented
Dec 15, 2021
phofl
commented
- closes BUG: Using pd.concat(axis="columns") on differently sized MultiIndexed DataFrames with a datetime index level containing exclusively NaT values causes the level in the returned DataFrame to be a float instead of a datetime #44900
- tests added / passed
- Ensure all linting tests pass, see here for how to run them
- whatsnew entry
phofl
added
Reshaping
pandas/core/arrays/categorical.py
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| arr_list = [values[idx] for idx in np.where(~null_mask)[0]] | ||
| arr = sanitize_array(arr_list, None) | ||
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| # Do not cast to float if we have only missing values |
Contributor
|
thanks @phofl |
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