code: def hashable(key):
      try:
          hash(key)
          return True
      except TypeError:
          return False
  
file_path: TextAttack/textattack/shared/utils/misc.py
imports: import json
  import os
  import random
  import numpy
  import torch
  import textattack
label_desc: Use image node_id 6 for calling a global function with example usage: hashable(key) and returns: True, False