code: def _postprocess(self, results):
      if self.args.with_argmax:
          results = np.argmax(results, axis=1)
      return results
  
imports: import argparse
  import os
  import numpy
  from paddle.inference import create_predictor, PrecisionType
  from paddle.inference import Config
  from paddleseg.deploy.infer import DeployConfig
  from paddleseg.utils import get_image_list, logger
  from paddleseg.utils.visualize import get_pseudo_color_map
label_desc: Use image node_id 7 for calling the Predictor obj's underlying member method code with example usage: obj._postprocess(results) and returns: results