One more comma.

evanberkowitz · evanberkowitz · commit 2fc07f716940 · 2020-10-01T19:05:11.000-04:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -1322,7 +1322,7 @@ def test_marker_as_MarkerStyle():
     m = mmarkers.MarkerStyle('o')
     plt.plot([1, 2, 3], [3, 2, 1], marker=m)
     plt.scatter([1, 2, 3], [4, 3, 2], marker=m)
-    plt.errorbar([1, 2, 3],[5, 4, 3], marker=m)
+    plt.errorbar([1, 2, 3], [5, 4, 3], marker=m)
 
 
 @image_comparison(['markevery'], remove_text=True)
