Cleaned up a bit. Newlines. Removed dangling commented lines.

examples/accelerometer/main.py

@@ -16,7 +16,6 @@
 To read more about kivy garden, visit: http://kivy-garden.github.io/.
 '''
 from kivy.garden.graph import Graph, MeshLinePlot
-# from collections import deque
 
 class AccelerometerDemo(BoxLayout):
     def __init__(self):
@@ -84,6 +83,7 @@ def build(self):
 
 class ErrorPopup(Popup):
     pass
+
 if __name__ == '__main__':
     AccelerometerDemoApp().run()