[views/json] import dumps from cw.web (which handles the different possible...

[views/json] import dumps from cw.web (which handles the different possible dumps impl. depending on python version or external json packages)

views.py

@@ -12,7 +12,7 @@
 from logilab.mtconverter import xml_escape
 from logilab.common.decorators import monkeypatch
 
-from simplejson import dumps
+from cubicweb.web import dumps
 
 from cubicweb.selectors import (implements, has_permission, authenticated_user,
                                 score_entity, relation_possible, one_line_rset)