code: def has_own_variables(self):
      return not self._initial_vs_reuse
  
imports: from abc import ABCMeta, abstractmethod, abstractproperty
  import six
  from ..compat import tfv1
  from ..utils import logger
  from ..utils.argtools import call_only_once
  from ..utils.develop import HIDE_DOC
  from ..utils.naming import MOVING_SUMMARY_OPS_KEY
  from .collection import CollectionGuard
  from .common import get_op_or_tensor_by_name, get_op_tensor_name
label_desc: Use image node_id 2 for calling the PredictTowerContext obj's underlying member method code with example usage: obj.has_own_variables() and returns: unknown