how to test if a variable is pd.NaT?

Question

I\'m trying to test if one of my variables is pd.NaT. I know it is NaT, and still it won\'t pass the test. As an example, the following code prints nothing :

Answer 1

If it's in a Series (e.g. DataFrame column) you can also use .isna():

pd.Series(pd.NaT).isna()
# 0    True
# dtype: bool