code: def testWrapsObjectKeys(self):
      self._assertWrapsAs({_INFINITY: "foo"}, {"Infinity": "foo"})
  
file_path: tensorboard/tensorboard/backend/json_util_test.py
imports: import collections
  import string
  from tensorboard import test
  from tensorboard.backend import json_util
label_desc: Use image node_id 4 for calling the CleanseTest obj's underlying member method code with example usage: obj.testWrapsObjectKeys() without return types