From 04ba9c9a4e13bc3ad06d01f766fe6b72176943bc Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Mon, 1 Feb 2010 07:16:40 +0900
Subject: [PATCH] strip elements out of range in review time graph

---
 anki/graphs.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/anki/graphs.py b/anki/graphs.py
index 8b7decbc8..ff2012c0e 100644
--- a/anki/graphs.py
+++ b/anki/graphs.py
@@ -189,7 +189,8 @@ where type = 1""")
         fig = Figure(figsize=(self.width, self.height), dpi=self.dpi)
         times = self.stats['dayTimes']
         self.addMissing(times, -days, 0)
-        times = self.unzip(times.items())
+        times = self.unzip([(day,y) for (day,y) in times.items()
+                            if day + days >= 0])
         graph = fig.add_subplot(111)
         self.filledGraph(graph, days, reviewTimeC, *times)
         graph.set_xlim(xmin=-days, xmax=0)