JRE: Fixed an error where a local variable was used before it was set.

James R. Evans · pelson · commit 2920408bd10b · 2013-04-18T14:16:25.000+01:00
diff --git a/lib/matplotlib/offsetbox.py b/lib/matplotlib/offsetbox.py
@@ -1459,10 +1459,10 @@ def finalize_offset(self):
 
     """
     def __init__(self, ref_artist, use_blit=False):
-        self.canvas = self.ref_artist.figure.canvas
-
         self.ref_artist = ref_artist
         self.got_artist = False
+
+        self.canvas = self.ref_artist.figure.canvas
         self._use_blit = use_blit and self.canvas.supports_blit
 
         c2 = self.canvas.mpl_connect('pick_event', self.on_pick)
