class_docstr: Base class for utilities to load variables to a (existing) session. 
class_docstr_tok: ["Base","class","for","utilities","to","load","variables","to","a","(","existing",")","session","."]
docstr: Initialize a session
  
  Args:
      sess (tf.Session): the session
docstr_tok: ["Initialize","a","session","Args",":","sess","(","tf.Session",")",":","the","session"]
code: def init(self, sess):
      """
      Initialize a session
  
      Args:
          sess (tf.Session): the session
      """
      self._setup_graph()
      self._run_init(sess)
  
imports: import os
  import numpy
  import six
  from ..compat import tfv1
  from ..utils import logger
  from .common import get_op_tensor_name
  from .varmanip import SessionUpdate, get_checkpoint_path, get_savename_from_varname, is_training_name
label_desc: Use image node_id 1 for calling the SessionInit obj's underlying member method code with example usage: obj.init(sess) without return types