fixup on rebase

Author: jreback

Diff for: pandas/core/series.py

@@ -34,19 +34,6 @@
                                maybe_cast_to_datetime, maybe_castable)
 from pandas.types.missing import isnull, notnull
 
-import pandas.core.algorithms as algorithms
-import pandas.core.common as com
-import pandas.core.nanops as nanops
-import pandas.core.ops as ops
-import pandas.core.strings as strings
-import pandas.formats.format as fmt
-from pandas import compat
-from pandas._libs import index as libindex, tslib as libts, lib, iNaT
-from pandas.compat import zip, u, OrderedDict, StringIO
-from pandas.compat.numpy import function as nv
-from pandas.core import generic, base
-from pandas.core.categorical import Categorical, CategoricalAccessor
-
 from pandas.core.common import (is_bool_indexer,
                                 _default_index,
                                 _asarray_tuplesafe,