setup.py broke Py3 support

setup.py

@@ -148,8 +148,8 @@ def strip_comments(l):
 
 
 def reqs(f):
-    return filter(None, [strip_comments(l) for l in open(
-        os.path.join(os.getcwd(), 'requirements', f)).readlines()])
+    return list(filter(None, [strip_comments(l) for l in open(
+        os.path.join(os.getcwd(), 'requirements', f)).readlines()]))
 
 install_requires = reqs('default.txt')
 if is_py3k: