Bug fix

OceanWolf · OceanWolf · commit 30681cd6e2a8 · 2015-02-15T01:43:46.000+01:00
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -3699,7 +3699,7 @@ def get_positions(self, name, group, position=-1):
         """
 
         if position < 0:
-            position += len(self._groups[group]) + 1
+            position += len(self._groups.get(group, [])) + 1
 
         return position, self.get_group_count(group)[0] + position
 
