Fixed #8725 -- Handle empty URL patterns in reverse().

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8763 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 5 insertions, 1 deletions

diff --git a/django/utils/regex_helper.py b/django/utils/regex_helper.py
index 3e3d349433..181285da4f 100644
--- a/django/utils/regex_helper.py
+++ b/django/utils/regex_helper.py
@@ -74,7 +74,11 @@ def normalize(pattern):
     # A "while" loop is used here because later on we need to be able to peek
     # at the next character and possibly go around without consuming another
     # one at the top of the loop.
-    ch, escaped = pattern_iter.next()
+    try:
+        ch, escaped = pattern_iter.next()
+    except StopIteration:
+        return zip([''],  [[]])
+
     try:
         while True:
             if escaped: