BUG: Series.get with Float64Index and numpy nan returns empty Series · Issue #8569 · pandas-dev/pandas (original) (raw)

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Description

I tried to use series.get(x) (where x is np.nan in some instance) and the result was an empty series. It seems like it should just return None if it can't be found.

import pandas as pd
import numpy as np

series = pd.Series(range(0, 10))
series.get(np.nan) 
# returns None

series = series.reindex(pd.Float64Index(range(0, 10)))

series.get(10) 
# This correctly returns None

series.get(np.nan) 
# returns empty series with empty Float64Index

series.get(np.nan, np.nan) 
# same thing