Ticket #2454: for-reset-ifchanged.diff

django/template/defaulttags.py

@@ -100 +100 @@
                 for index in range(len(data)-1, -1, -1):
                     yield data[index]
             values = reverse(values)
+
+        # reset the inner ifchanged-nodes
+        for node in self.nodelist_loop:
+            if type(node) == IfChangedNode:
+                node.reset()
+
         for i, item in enumerate(values):
             context['forloop'] = {
                 # shortcuts for current loop iteration number
@@ -137 +143 @@
         else:
             return ''
 
+    def reset(self):
+        self._last_seen = None
+
 class IfEqualNode(Node):
     def __init__(self, var1, var2, nodelist_true, nodelist_false, negate):
         self.var1, self.var2 = var1, var2