code: def tensor_flip(x, flip):
      """Flip tensor according directions"""
      if flip[0]:
          x = x[:, :, :, ::-1]
      if flip[1]:
          x = x[:, :, ::-1, :]
      return x
  
file_path: PaddleSeg/contrib/AutoNUE/core/infer.py
imports: import collections.abc
  from itertools import combinations
  import numpy
  import paddle
  import paddle.nn.functional
label_desc: Use image node_id 4 for calling a global function with example usage: tensor_flip(x, flip) and returns: x