docs: def cmd_async(self, low):
          '''
          Execute a function asynchronously; eauth is respected
  
          This function requires that :conf_master:`external_auth` is configured
          and the user is authorized
  
          .. code-block:: python
  
              >>> wheel.cmd_async({
                  'fun': 'key.finger',
                  'match': 'jerry',
                  'eauth': 'auto',
                  'username': 'saltdev',
                  'password': 'saltdev',
              })
              {'jid': '20131219224744416681', 'tag': 'salt/wheel/20131219224744416681'}
          '''
          fun = low.pop('fun')
          return self.asynchronous(fun, low)