syntax fix.

Author: ikirudennis

textile/utils.py

@@ -72,8 +72,8 @@ def generate_tag(tag, content, attributes=None):
     except AttributeError:
         # Python 2.6 doesn't have the tostringlist method, so we have to treat
         # it differently.
-        attributes = dict(map(lambda (k, v): (k, v.decode(enc)),
-            attributes.items()))
+        attributes = dict(map(lambda k, v: (k, six.text_type(v)),
+            six.iteritems(attributes)))
         element = ElementTree.Element(tag, attrib=attributes)
         element_tag = ElementTree.tostring(element, encoding=enc)
         element_text = re.sub(r"<\?xml version='1.0' encoding='UTF-8'\?>\n",