code: def get_group(self, name, user_name=None):
          
          self.project_service.set_auth(self._token_project)
          return self.project_service.get_group(name, user_name)
docs: Get information on the given group or whether or not a user is a member
          of the group.
  
          Args:
              name (string): Name of group to query.
              user_name (optional[string]): Supply None if not interested in
              determining if user is a member of the given group.
  
          Returns:
              (mixed): Dictionary if getting group information or bool if a user
                  name is supplied.
  
          Raises:
              requests.HTTPError on failure.