rtag has been updated

views/email.py

@@ -16,7 +16,8 @@ from cubicweb.web.views import baseviews, primary
 for rtype in ('sender', 'recipients', 'cc', 'parts'):
     uicfg.primaryview_section.tag_subject_of(('Email', rtype, '*'), 'hidden')
 
-uicfg.autoform_widget.tag_attribute(('Email', 'subject'), formwidgets.TextInput)
+uicfg.autoform_field_kwargs.tag_attribute(('Email', 'subject'),
+                                          {'widget': formwidgets.TextInput})
 
 class EmailPrimaryView(primary.PrimaryView):
     __select__ = implements('Email')