django/forms/util.py

gistfile1.diff

diff --git a/django/forms/util.py b/django/forms/util.py
index 1a1d823..8a48009 100644
--- a/django/forms/util.py
+++ b/django/forms/util.py
@@ -13,7 +13,7 @@ def flatatt(attrs):
     XML-style pairs.  It is assumed that the keys do not need to be XML-escaped.
     If the passed dictionary is empty, then return an empty string.
     """
-    return u''.join([u' %s="%s"' % (k, conditional_escape(v)) for k, v in attrs.items()])
+    return u''.join([u' %s="%s"' % (k, conditional_escape(v)) for k, v in sorted(attrs.items())])
 
 class ErrorDict(dict, StrAndUnicode):
     """