Fix handling of locales_offered

Author: etj

ckanext/dcatapit/dcat/profiles.py

@@ -1200,9 +1200,9 @@ def graph_from_catalog(self, catalog_dict, catalog_ref):
         self.g.add((taxonomy, DCT.title, Literal('Il Vocabolario Data Theme', lang='it')))
 
         # language
-        langs = config.get('ckan.locales_offered', 'it')
+        langs = config.get('ckan.locales_offered', ['it'])
 
-        for lang_offered in langs.split():
+        for lang_offered in langs:
             lang_code = lang_mapping_ckan_to_voc.get(lang_offered)
             if lang_code:
                 self.g.add((catalog_ref, DCT.language, URIRef(LANG_BASE_URI + lang_code)))