code: def get_by_uri(self, uri, change_notes=False):
          
  
          id = uri_to_id(uri)
  
          return self.get_by_id(id, change_notes)
docs: Get a :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Collection` by uri
  
          :param (str) uri: string uri of the :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Concept`
          :return: corresponding :class:`skosprovider.skos.Concept` or :class:`skosprovider.skos.Concept`.
              Returns None if non-existing id