BUG: Index.str.partition not nan-safe #23558
While working on #23167, I found a corner case where
referenced this issue
Nov 8, 2018
First off, forgot to mention in the OP (now edited) that the problem appears only for
The solution is also to be found there, because the failure stems from trying to create a MultiIndex from a list of tuples containing NaNs:
However, it works easily when passing a tuple of NaNs
Opened #23578 for that.