fixed test case to meet pep8

Tuan333 · Tuan333 · commit 9a3952e68095 · 2017-04-27T21:30:36.000+10:00
diff --git a/lib/matplotlib/tests/test_patches.py b/lib/matplotlib/tests/test_patches.py
@@ -338,7 +338,7 @@ def test_multi_color_hatch():
             r = Rectangle((i-.8/2, 5), .8, 1, hatch='//', fc='none')
         ax.add_patch(r)
 
-@image_comparison(baseline_images=['polar_proj'],extensions=['png'])
+@image_comparison(baseline_images=['polar_proj'], extensions=['png'])
 def test_adding_rectangle_patch_with_polar_projection():
     fig = plt.figure()
     ax = fig.add_subplot(111, projection='polar')
