PEP8 fixes

Author: cbertinato

pandas/io/excel.py

@@ -21,7 +21,7 @@
 from pandas.io.common import (_is_url, _urlopen, _validate_header_arg,
                               get_filepath_or_buffer, _NA_VALUES,
                               _stringify_path)
-from pandas.core.indexes.period import Period
+# from pandas.core.indexes.period import Period
 import pandas._libs.json as json
 from pandas.compat import (map, zip, reduce, range, lrange, u, add_metaclass,
                            string_types, OrderedDict)
@@ -32,7 +32,6 @@
 from distutils.version import LooseVersion
 from pandas.util._decorators import Appender, deprecate_kwarg
 from textwrap import fill
-from pandas._libs.interval import Interval
 
 __all__ = ["read_excel", "ExcelWriter", "ExcelFile"]
 
@@ -1467,9 +1466,9 @@ def write_cells(self, cells, sheet_name=None, startrow=0, startcol=0,
 
             if isinstance(cell.val, timedelta):
                 delta = cell.val
-                val = (delta.days + (float(delta.seconds)
-                                     + float(delta.microseconds) / 1E6)
-                       / (60 * 60 * 24))
+                val = (delta.days + (float(delta.seconds) +
+                                     float(delta.microseconds) / 1E6) /
+                       (60 * 60 * 24))
 
             stylekey = json.dumps(cell.style)
             if num_format_str:

pandas/tests/io/test_excel.py

@@ -1485,9 +1485,9 @@ def test_to_excel_timedelta(self):
             delta = frame_expected['A'].apply(lambda x: timedelta(seconds=x))
 
             def timedelta_rep(x):
-                return (x.days + (float(x.seconds)
-                                  + float(x.microseconds) / 1E6)
-                        / (60 * 60 * 24))
+                return (x.days + (float(x.seconds) +
+                                  float(x.microseconds) / 1E6) /
+                        (60 * 60 * 24))
 
             frame_expected['new'] = delta.apply(timedelta_rep)
             frame.to_excel(path, 'test1')