Update README.rst

Fix typo

Author: donghyeon-kim98

README.rst

@@ -85,7 +85,7 @@ field will be changed, but not written to the database.
     from django_fsm import can_proceed
 
     def publish_view(request, post_id):
-        post = get_object__or_404(BlogPost, pk=post_id)
+        post = get_object_or_404(BlogPost, pk=post_id)
         if not can_proceed(post.publish):
             raise PermissionDenied