code: def check_gradient(x, grad_clip):
      x_normed = tf.clip_by_norm(x, grad_clip)
      grad_norm = tf.norm(grad_clip)
      return x_normed, grad_norm
  
file_path: TTS/TTS/tts/tf/utils/generic_utils.py
imports: import datetime
  import importlib
  import pickle
  import numpy
  import tensorflow
label_desc: Use image node_id 4 for calling a global function with example usage: check_gradient(x, grad_clip) and returns: x_normed,  grad_norm