CLN: Removed blanck lines.

Author: asdf8601

pandas/tests/frame/test_timeseries.py

@@ -539,7 +539,6 @@ def test_first_last_valid(self):
         assert frame.first_valid_index().freq == frame.index.freq
         assert frame.last_valid_index().freq == frame.index.freq
 
-
     def test_at_time_frame(self):
         rng = date_range('1/1/2000', '1/5/2000', freq='5min')
         ts = DataFrame(np.random.randn(len(rng), 2), index=rng)

pandas/tests/series/test_timeseries.py

@@ -441,7 +441,6 @@ def test_first_last_valid(self):
         assert ts.first_valid_index().freq == ts.index.freq
         assert ts.last_valid_index().freq == ts.index.freq
 
-
     def test_mpl_compat_hack(self):
         result = self.ts[:, np.newaxis]
         expected = self.ts.values[:, np.newaxis]