diff --git a/python/machine_learning/rnn.py b/python/machine_learning/rnn.py
index 0558dda..6f589e7 100644
--- a/python/machine_learning/rnn.py
+++ b/python/machine_learning/rnn.py
@@ -1,2 +1 @@
-import os
 # copy here your code
\ No newline at end of file