diff --git a/telemetry/code/monitor/graph_plotter_rewrite.py b/telemetry/code/monitor/graph_plotter_rewrite.py
index e39bf99..b896484 100755
--- a/telemetry/code/monitor/graph_plotter_rewrite.py
+++ b/telemetry/code/monitor/graph_plotter_rewrite.py
@@ -86,7 +86,8 @@ class Plot(pyglet.window.Window):
         heading.draw()
         
     def drawLine(self):
-        for point in self.series.data:
+        for n in range(len(data) - 1):
+            a, b = data[n], data[n+1]
             pass
      
     def drawAxis(self, axis): # axis=0 is x, 1 is y
--
libgit2 0.21.2