code: def get_structure_from_id(self, task_id, final_structure=True):
          
          args = {'task_id': task_id}
          field = 'output.crystal' if final_structure else 'input.crystal'
          results = tuple(self.query([field], args))
  
          if len(results) > 1:
              raise QueryError("More than one result found for task_id {}!".format(task_id))
          elif len(results) == 0:
              raise QueryError("No structure found for task_id {}!".format(task_id))
          c = results[0]
          return Structure.from_dict(c[field])
docs: Returns a structure from the database given the task id.
  
          Args:
              task_id:
                  The task_id to query for.
              final_structure:
                  Whether to obtain the final or initial structure. Defaults to
                  True.