diff -r 0459094d9728 -r 1400aee10df4 pyramid_cubicweb/core.py
--- a/pyramid_cubicweb/core.py	Tue Jun 28 11:03:20 2016 +0200
+++ b/pyramid_cubicweb/core.py	Thu Jul 07 14:30:32 2016 +0200
@@ -140,7 +140,7 @@
 
     def setup_params(self, params):
         self.form = {}
-        for param, val in params.iteritems():
+        for param, val in params.items():
             if param in self.no_script_form_params and val:
                 val = self.no_script_form_param(param, val)
             if isinstance(val, FieldStorage) and val.file: