code: def delete_taskrun(taskrun_id):
      
      try:
          res = _pybossa_req('delete', 'taskrun', taskrun_id)
          if type(res).__name__ == 'bool':
              return True
          else:
              return res
      except:  # pragma: no cover
          raise
docs: Delete the given taskrun.
  
      :param task: PYBOSSA task