Same rstrip in line below

Without it, it prints the new class and a new line.

extra/remove_space.py

@@ -78,7 +78,7 @@ def rename_class(current_class_name, new_class_name):
 with open('class_list.txt') as f:
     for line in f:
         current_class_name = line.rstrip("\n")
-        new_class_name = line.replace(' ', args.delimiter)
+        new_class_name = line.replace(' ', args.delimiter).rstrip("\n)
         if line == new_class_name:
             continue
         y_n_message = ("Are you sure you want "