revert nonstandard use of get_data_path

pandas/tests/tseries/test_offsets.py

@@ -41,9 +41,6 @@
 from pandas.tseries.holiday import USFederalHolidayCalendar
 
 
-data_dir = tm.get_data_path()
-
-
 def test_monthrange():
  import calendar
  for y in range(2000, 2013):
@@ -483,7 +480,7 @@ def test_pickle_v0_15_2(self):
  'Day': Day(1),
  'YearBegin': YearBegin(1),
  'Week': Week(1)}
- pickle_path = os.path.join(data_dir,
+ pickle_path = os.path.join(tm.get_data_path(),
  'dateoffset_0_15_2.pickle')
  # This code was executed once on v0.15.2 to generate the pickle:
  # with open(pickle_path, 'wb') as f: pickle.dump(offsets, f)
@@ -1887,7 +1884,7 @@ def _check_roundtrip(obj):
  def test_pickle_compat_0_14_1(self):
  hdays = [datetime(2013, 1, 1) for ele in range(4)]
 
- pth = data_dir
+ pth = tm.get_data_path()
 
  cday0_14_1 = read_pickle(os.path.join(pth, 'cday-0.14.1.pickle'))
  cday = CDay(holidays=hdays)