flake8 fix

Federico Ariza · Federico Ariza · commit d22115767bee · 2019-05-27T12:09:28.000-04:00
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -878,7 +878,8 @@ def stop_typing(self):
                 for key in self.params_to_disable:
                     rcParams[key] = self.reset_params[key]
             else:
-                self.ax.figure.canvas.manager.toolmanager.keypresslock.release(self)
+                toolmanager = self.ax.figure.canvas.manager.toolmanager
+                toolmanager.keypresslock.release(self)
             notifysubmit = True
         self.capturekeystrokes = False
         self.cursor.set_visible(False)
