add container.py and revise the bar command to return a container

leejjoon · leejjoon · commit fe03e223b8cb · 2011-03-02T21:09:51.000+09:00
diff --git a/lib/matplotlib/axes.py b/lib/matplotlib/axes.py
@@ -4212,6 +4212,7 @@ def _get_legend_handles(self):
             handles.extend([c for c in self.collections
                             if isinstance(c, cls)])
 
+        handles.extend([c for c in self.containers])
         return handles
 
 
