Reverting commit to previous state to see if the test is only relevant to django 1.5b2

rest_framework/fields.py

@@ -794,7 +794,7 @@ class ChoiceField(WritableField):
                     if value == smart_unicode(k2):
                         return True
             else:
-                if value == smart_unicode(k) or value == k:
+                if value == smart_unicode(k):
                     return True
         return False