STYLE: lint fix

jreback · victor · commit 3911f2378d35 · 2018-10-01T01:52:55.000+02:00
diff --git a/pandas/tests/series/test_period.py b/pandas/tests/series/test_period.py
@@ -5,7 +5,6 @@
 import pandas.util.testing as tm
 import pandas.core.indexes.period as period
 from pandas import Series, period_range, DataFrame, Period
-import pytest
 
 
 def _permute(obj):
