Ticket #3022: resolve_variable-negatives.patch

django/template/__init__.py

@@ -624 +624 @@
 
     (The example assumes VARIABLE_ATTRIBUTE_SEPARATOR is '.')
     """
-    if path[0].isdigit():
+    if path[0].isdigit() or (len(path) > 1 and path[0] == '-' and path[1].isdigit()):
         number_type = '.' in path and float or int
         try:
             current = number_type(path)