diff --git a/Insecure Deserialization/Python.md b/Insecure Deserialization/Python.md
index 41887f65..98e843e7 100644
--- a/Insecure Deserialization/Python.md	
+++ b/Insecure Deserialization/Python.md	
@@ -32,7 +32,7 @@ Python 2.7 documentation clearly states Pickle should never be used with untrust
 > The pickle module is not secure against erroneous or maliciously constructed data. Never unpickle data received from an untrusted or unauthenticated source.
 
 ```python
-import cPickle
+import cPickle, os
 from base64 import b64encode, b64decode
 
 class Evil(object):
@@ -47,4 +47,4 @@ print("Your Evil Token : {}").format(evil_token)
 ## References
 
 * [Exploiting misuse of Python's "pickle" - Mar 20, 2011](https://blog.nelhage.com/2011/03/exploiting-pickle/)
-* [Python Pickle Injection - Apr 30, 2017](http://xhyumiracle.com/python-pickle-injection/)
\ No newline at end of file
+* [Python Pickle Injection - Apr 30, 2017](http://xhyumiracle.com/python-pickle-injection/)