FIX: remove equality check in line2D.set_color

tacaswell · AmyTeegarden · commit c45ea650ed06 · 2015-07-24T14:59:25.000-07:00
Fixes problem identified in #4771
diff --git a/lib/matplotlib/lines.py b/lib/matplotlib/lines.py
@@ -934,9 +934,8 @@ def set_color(self, color):
 
         ACCEPTS: any matplotlib color
         """
-        if color != self._color:
-            self.stale = True
         self._color = color
+        self.stale = True
 
     def set_drawstyle(self, drawstyle):
         """
