FIX : add missing stale flag to Line2D

tacaswell · tacaswell · commit f824578ea0f4 · 2015-05-25T00:50:37.000-04:00
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
@@ -800,6 +800,7 @@ def draw(self, renderer):
             gc.restore()
 
         renderer.close_group('line2d')
+        self.stale = False
 
     def get_antialiased(self):
         return self._antialiased
