code: def logsigmoid(input_tensor):
      """
      Equivalent to tf.log(tf.sigmoid(a))
  
      :param input_tensor: (tf.Tensor)
      :return: (tf.Tensor)
      """
      return -tf.nn.softplus(-input_tensor)
  
file_path: stable-baselines/stable_baselines/gail/adversary.py
imports: import gym
  import tensorflow
  import numpy
  from stable_baselines.common.mpi_running_mean_std import RunningMeanStd
  from stable_baselines.common import tf_util
label_desc: Use image node_id 1 for calling a global function with example usage: logsigmoid(input_tensor) and returns: unknown