class_docstr: Caches data for the TFT.
class_docstr_tok: ["Caches","data","for","the","TFT","."]
docstr: Returns data stored at key location.
docstr_tok: ["Returns","data","stored","at","key","location","."]
code: def get(cls, key):
      """Returns data stored at key location."""
      return cls._data_cache[key].copy()
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import gc
  import json
  import os
  import shutil
  import data_formatters.base
  import libs.utils
  import numpy
  import pandas
  import tensorflow
label_desc: Use image node_id 2 for calling the TFTDataCache obj's underlying member method code with example usage: obj.get(cls, key) and returns: cls