Fixed a bug introduced in r9422.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9446 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/template/defaultfilters.py

@@ -485,6 +485,7 @@ def join(value, arg, autoescape=None):
     """
     Joins a list with a string, like Python's ``str.join(list)``.
     """
+    value = map(force_unicode, value)
     if autoescape:
         from django.utils.html import conditional_escape
         value = [conditional_escape(v) for v in value]