Fix NoWildcardAcceptPredicate compat with pyramid 1.10

self.val has been renamed to self.values
(grafted from 0ec8ffbeb8f8)

--HG--
branch : 0.2

cubicweb_jsonschema/__pkginfo__.py

@@ -19,7 +19,7 @@ __depends__ = {
     'six': '>= 1.4.0',
     'iso8601': None,
     'jsl': None,
-    'pyramid': '>= 1.8.0',
+    'pyramid': '>= 1.10.0',
 }
 __recommends__ = {}
 

cubicweb_jsonschema/predicates.py

@@ -26,7 +26,11 @@ class NoWildcardAcceptPredicate(predicates.AcceptPredicate):
     """
 
     def __call__(self, context, request):
-        return self.val in [h for h in request.accept if h != '*/*']
+        request_accepts = [h for h in request.accept if h != '*/*']
+        for accept_type in self.values:
+            if accept_type in request_accepts:
+                return True
+        return False
 
 
 def includeme(config):