Fixng PEP issues reported (pandas-dev#20585)

Author: atulagrwl

pandas/plotting/_core.py

@@ -1237,7 +1237,7 @@ def _get_colors(self, num_colors=None, color_kwds='color'):
         color = self.kwds.get(color_kwds)
         if color is not None:
             return color
-        else :
+        else:
             num_colors = self.nseries
             return _get_standard_colors(num_colors=num_colors,
                                         colormap=self.colormap,

pandas/tests/plotting/test_series.py

@@ -291,7 +291,7 @@ def test_bar_user_colors_more_limited(self):
                     (0., 0., 1., 1.)]
         assert result == expected
 
-    @pytest.mark.parametrize("num_colors", range(0,15))
+    @pytest.mark.parametrize("num_colors",range(0,15))
     def test_standard_color(self, num_colors):
         colors = _get_standard_colors(num_colors=num_colors)