fixup remove unused imports

Author: jbrockmendel

pandas/core/ops.py

@@ -10,8 +10,7 @@
 import numpy as np
 import pandas as pd
 
-from pandas._libs import (lib, index as libindex,
-                          algos as libalgos)
+from pandas._libs import lib, algos as libalgos
 
 from pandas import compat
 from pandas.util._decorators import Appender

pandas/tests/indexes/datetimes/test_partial_slicing.py

@@ -2,7 +2,7 @@
 
 import pytest
 
-from datetime import datetime, date
+from datetime import datetime
 import numpy as np
 import pandas as pd
 import operator as op