class_docstr: Dumpt a DL graph into a Python script.
class_docstr_tok: ["Dumpt","a","DL","graph","into","a","Python","script","."]
code: def indent(self):
      self.prefix += self.tab
  
imports: import base64
  from google.protobuf import json_format
  from importlib import import_module
  import json
  import numpy
  import os
  import sys
  from mmdnn.conversion.caffe.errors import ConversionError
  from mmdnn.conversion.caffe.common_graph import fetch_attr_value
  from mmdnn.conversion.caffe.utils import get_lower_case, get_upper_case, get_real_name
label_desc: Use image node_id 2 for calling the PyWriter obj's underlying member method code with example usage: obj.indent() without return types