docstr: The backend for reading csv/json files. Either "spark" or "pandas".
  spark backend would call spark.read and pandas backend would call pandas.read.
  Default to be "spark".
docstr_tok: ["The","backend","for","reading","csv\/json","files",".","Either","``","spark","''","or","``","pandas","''",".","spark","backend","would","call","spark.read","and","pandas","backend","would","call","pandas.read",".","Default","to","be","``","spark","''","."]
code: def pandas_read_backend(cls):
      """
      The backend for reading csv/json files. Either "spark" or "pandas".
      spark backend would call spark.read and pandas backend would call pandas.read.
      Default to be "spark".
      """
      return cls._pandas_read_backend
  
imports: import os
  from bigdl.dllib.nncontext import ZooContext
  from bigdl.dllib.utils.log4Error import *
  import pickle
  import hmac
  import hashlib
label_desc: Use image node_id 3 for calling the OrcaContextMeta obj's underlying member method code with example usage: obj.pandas_read_backend(cls) and returns: cls