code: def _eager_mode(cls, value):
      invalidInputError(
          isinstance(value, bool),
          "_eager_mode should either be True or False",
      )
      cls.__eager_mode = value
  
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 6 for calling the OrcaContextMeta obj's underlying member method code with example usage: obj._eager_mode(cls, value) without return types