--- a/analyze.py	Mon Jul 28 11:21:08 2014 +0200
+++ b/analyze.py	Sun Jul 20 13:02:40 2014 +0200
@@ -20,14 +20,13 @@
 """
 __docformat__ = "restructuredtext en"
 
-from cStringIO import StringIO
 
-import os, sys
+import os
+from cStringIO import StringIO
+from itertools import izip
+
 from rql import TypeResolverException, nodes
-from pprint import pprint
 
-from copy import deepcopy
-from itertools import izip
 
 try:
     pure = bool(os.environ.get('RQL_USE_PURE_PYTHON_ANALYSE', 0))