Lint

h-vetinari · h-vetinari · commit d4c44a2ecc91 · 2018-11-15T08:28:56.000+01:00
diff --git a/pandas/tests/series/test_combine_concat.py b/pandas/tests/series/test_combine_concat.py
@@ -4,7 +4,6 @@
 from datetime import datetime
 
 import numpy as np
-from numpy import nan
 import pytest
 
 import pandas as pd
