@property
  def field(self):
    if ':' in self:
      return self.split(self.namespace_delimiter)[0]
    return ''
This function is called every second the thread manager is running.
dataset/ETHPy150Open datastore/datastore/datastore/core/key.py/Namespace.field--crossover with--dataset/ETHPy150Open StorjOld/downstream-farmer/downstream_farmer/utils.py/ThreadManager.called_every_second