code: def get_location(self, locations=None):
          # type: (Optional[List[str]]) -> List[str]
          
          countries = self.data.get('groups', None)
          if not countries:
              return list()
          return [Locations.get_location_from_HDX_code(x['name'], locations=locations,
                                                       configuration=self.configuration) for x in countries]
docs: Return the dataset's location
  
          Args:
              locations (Optional[List[str]]): Valid locations list. Defaults to list downloaded from HDX.
  
          Returns:
              List[str]: list of locations or [] if there are none