make hist histype='step' return list of container instead list of list

piti118 · piti118 · commit e7172a476f7a · 2012-04-13T14:43:16.000-07:00
so that the last return value of hist can be used in legend consistently between 'bar' and 'step'
diff --git a/lib/matplotlib/axes.py b/lib/matplotlib/axes.py
@@ -36,7 +36,7 @@
 import matplotlib.transforms as mtransforms
 import matplotlib.tri as mtri
 
-from matplotlib.container import BarContainer, ErrorbarContainer, StemContainer
+from matplotlib.container import Container, BarContainer, ErrorbarContainer, StemContainer
 
 iterable = cbook.iterable
 is_string_like = cbook.is_string_like
@@ -7868,11 +7868,11 @@ def hist(x, bins=10, range=None, normed=False, weights=None,
                     x,y = y,x
 
                 if fill:
-                    patches.append( self.fill(x, y,
-                        closed=False, facecolor=c) )
+                    patches.append( Container(self.fill(x, y,
+                        closed=False, facecolor=c)) )
                 else:
-                    patches.append( self.fill(x, y,
-                        closed=False, edgecolor=c, fill=False) )
+                    patches.append( Container(self.fill(x, y,
+                        closed=False, edgecolor=c, fill=False)) )
 
             # adopted from adjust_x/ylim part of the bar method
             if orientation == 'horizontal':
