[fix] null candidate languages

scripts/geodata/addresses/components.py

@@ -1342,6 +1342,8 @@ class AddressComponents(object):
 
         osm_components = self.osm_reverse_geocoded_components(latitude, longitude)
         country, candidate_languages = self.osm_country_and_languages(osm_components)
+        if not (country and candidate_languages):
+            return None, None, None
 
         more_than_one_official_language = len(candidate_languages) > 1
 
@@ -1378,8 +1380,6 @@ class AddressComponents(object):
         if city:
             address_components[AddressFormatter.CITY] = city
 
-
-
         self.add_neighborhoods(address_components, neighborhoods,
                                language_suffix=language_suffix)