diff --git a/warden3/warden_server/warden_server.py b/warden3/warden_server/warden_server.py
old mode 100755
new mode 100644
index 0afa90a7525b9998a6c4d9b216939978ad537b65..96eca7fd383c9f586248c72e01cb7c98cf7d1839
--- a/warden3/warden_server/warden_server.py
+++ b/warden3/warden_server/warden_server.py
@@ -23,7 +23,6 @@ from time import sleep
 from urlparse import parse_qs
 from os import path
 from random import randint
-from contextlib import closing
 
 # for local version of up to date jsonschema
 sys.path.append(path.join(path.dirname(__file__), "..", "lib"))