diff -r 03ce3d24db87 -r 6a55853f14c9 wsgi/request.py
--- a/wsgi/request.py	Fri Sep 11 16:01:10 2015 +0200
+++ b/wsgi/request.py	Tue Sep 15 15:10:59 2015 +0200
@@ -28,12 +28,10 @@
 import tempfile
 
 from StringIO import StringIO
-from urllib import quote
 from urlparse import parse_qs
-from warnings import warn
 
 from cubicweb.multipart import (
-    copy_file, parse_form_data, MultipartError, parse_options_header)
+    copy_file, parse_form_data, parse_options_header)
 from cubicweb.web import RequestError
 from cubicweb.web.request import CubicWebRequestBase
 from cubicweb.wsgi import pformat, normalize_header