code: def test_no_table(self):
      self.assertIsNone(diskcache_get("faketable", "k"))
  
file_path: tinygrad/test/unit/test_disk_cache.py
imports: import unittest
  import pickle
  from tinygrad.helpers import diskcache_get, diskcache_put, diskcache
label_desc: Use image node_id 5 for calling the DiskCache obj's underlying member method code with example usage: obj.test_no_table() without return types