STY: satisfy pep8

tacaswell · web-flow · commit ebd24ec0d19f · 2020-07-01T15:04:19.000-04:00
diff --git a/lib/matplotlib/tests/test_backend_tk.py b/lib/matplotlib/tests/test_backend_tk.py
@@ -35,7 +35,7 @@ def test_figuremanager_preserves_host_mainloop():
     success = False
     def do_plot():
         plt.figure()
-        plt.plot([1,2],[3,5])
+        plt.plot([1, 2], [3, 5])
         plt.close()
         root.after(0, legitmate_quit)
 
