fix: encoding issue

cubicweb_datacat/views/__init__.py

@@ -293,7 +293,7 @@ class CkanJsonLicenseView(jsonviews.JsonMixIn, EntityView):
             ("status", "active"),
         ]:
             license[key] = found.get(key, default_value)
-        self.w(json_dumps(license, sort_keys=True))
+        self.w(json_dumps(license, sort_keys=True).encode("ascii"))
 
 
 class CkanJsonLicensesAction(action.Action):
@@ -321,7 +321,7 @@ class CkanJsonLicensesView(jsonviews.JsonMixIn, AnyRsetView):
         for scheme in self.cw_rset.entities():
             for concept in scheme.reverse_in_scheme:
                 licenses.append(json.loads(concept.view("dcat.ckan.json.license")))
-        self.w(json_dumps(licenses, sort_keys=True))
+        self.w(json_dumps(licenses, sort_keys=True).encode("ascii"))
 
 
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