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nguyen-tien-tung avatar nguyen-tien-tung commented on August 21, 2024

take

from pandas.

a-theron avatar a-theron commented on August 21, 2024

After reviewing the documentation, I think this might not be a bug.
I think it is a result of how Pandas handles none types.
In Panda's none type documentation it states

pandas uses different sentinel values to represent a missing (also referred to as NA) depending on the data type.

Which means that the different none types (None, NaN, NaT) are used depending on the dtype of the column.
So when a column only has missing values (as shown in the "bug"), Pandas has no reference dtypes so all missing values are represented by the default (NaN) none type.

So correct me if I am wrong, but I believe this might actually part of the Panda's feature set, rather than a bug.

from pandas.

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