class_docstr: A class implements tf.keras.Model for MNAS-like model.
  
  Reference: https://arxiv.org/abs/1807.11626
class_docstr_tok: ["A","class","implements","tf.keras.Model","for","MNAS-like","model",".","Reference",":","https",":","\/\/arxiv.org\/abs\/1807.11626"]
code: def _get_conv_block(self, conv_type):
      conv_block_map = {0: MBConvBlock, 1: MBConvBlockWithoutDepthwise}
      return conv_block_map[conv_type]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import functools
  import math
  from absl import logging
  import numpy
  import six
  from six.moves import xrange
  import tensorflow.compat.v1
  import utils
label_desc: Use image node_id 2 for calling the Model obj's underlying member method code with example usage: obj._get_conv_block(conv_type) and returns: conv_block_map