class_docstr: Generates a dot description of a graph in dictionary form.
class_docstr_tok: ["Generates","a","dot","description","of","a","graph","in","dictionary","form","."]
code: def __str__(self):
      return self.get_result()
  
file_path: turicreate/src/external/coremltools_wrap/coremltools/coremltools/converters/mil/frontend/tensorflow/dot_visitor.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from coremltools.converters.mil.mil import types
label_desc: Use image node_id 7 for calling the DotVisitor obj's underlying member method code with example usage: obj.__str__() and returns: self