code: def _tanh(x):
      return tf.tanh(tf.clip_by_value(x, -TANH_LIMIT, TANH_LIMIT))
  
file_path: stellargraph/stellargraph/utils/hyperbolic.py
imports: import tensorflow
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: _tanh(x) and returns: tf