Hardcode python2.7 shebang

py/tests/test_Handshake.py

@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/python2.7
+# -*- coding: utf-8 -*-
 
 import sys
 sys.path.insert(0, '..')

py/tests/test_Target.py

@@ -1,4 +1,5 @@
-#!/usr/bin/python
+#!/usr/bin/python2.7
+# -*- coding: utf-8 -*-
 
 from Airodump import Airodump