fixups

doc/source/whatsnew/v0.21.0.txt

@@ -188,7 +188,7 @@ Previous Behavior:
    In [3]: resampled = s.resample('2Q').mean()
 
    In [4]: resampled
-   Out[4]: 
+   Out[4]:
    2017-03-31     1.0
    2017-09-30     5.5
    2018-03-31    10.0
@@ -223,14 +223,14 @@ Previous Behavior:
    In [2]: s = pd.Series(np.arange(10), index=pi)
 
    In [3]: s.resample('H').ohlc()
-   Out[3]: 
+   Out[3]:
    2000-01-01 00:00    0.0
-                   ... 
+                   ...
    2000-01-10 23:00    NaN
    Freq: H, Length: 240, dtype: float64
 
    In [4]: s.resample('M').ohlc()
-   Out[4]: 
+   Out[4]:
             open  high  low  close
    2000-01     0     9    0      9
 
@@ -246,7 +246,7 @@ New Behavior:
 
    s.resample('M').ohlc()
 
-    
+
 As a minor enhancement, resampling a ``PeriodIndex`` can now handle ``NaT`` values (:issue:`13224`)
 
 .. _whatsnew_0210.api_breaking.deps:

pandas/tests/test_resample.py

@@ -2817,14 +2817,6 @@ def test_evenly_divisible_with_no_extra_bins(self):
         result = df.resample('7D').sum()
         assert_frame_equal(result, expected)
 
-    def test_apply_to_empty_series(self):
-        # GH 14313
-        series = self.create_series()[:0]
-
-        for freq in ['M', 'D', 'H']:
-            with pytest.raises(TypeError):
-                series.resample(freq).apply(lambda x: 1)
-
     @pytest.mark.parametrize('kind', ['period', None, 'timestamp'])
     @pytest.mark.parametrize('agg_arg', ['mean', {'value': 'mean'}, ['mean']])
     def test_loffset_returns_datetimeindex(self, frame, kind, agg_arg):