code: def infer_ml_task(y):
      
      if y.dtype.kind in np.typecodes['AllInteger'] or y.dtype == np.object:
          ml_task = 'classification'
      else:
          ml_task = 'regression'
  
      _logger.warning('Infered {} as machine learning task'.format(ml_task))
      return ml_task
docs: Infer the machine learning task to select for.
      The result will be either `'regression'` or `'classification'`.
      If the target vector only consists of integer typed values or objects, we assume the task is `'classification'`.
      Else `'regression'`.
  
      :param y: The target vector y.
      :type y: pandas.Series
      :return: 'classification' or 'regression'
      :rtype: str