@callback
def async_set_context(self, context: Context) -> None:
    'Set the context the entity currently operates under.'
    self._context = context
    self._context_set = dt_util.utcnow()
Set the context the entity currently operates under.
@callback
def async_set_context(self, context: Context) -> None:
    
    self._context = context
    self._context_set = dt_util.utcnow()