class_docstr: Base class for the reference tests.
class_docstr_tok: ["Base","class","for","the","reference","tests","."]
code: def convert(self, f):
      return tf.autograph.to_graph(
          f, experimental_optional_features=self.autograph_opts
      )
  
imports: import io
  import numbers
  import os
  import sys
  import traceback
  import numpy
  import tensorflow
label_desc: Use image node_id 8 for calling the TestCase obj's underlying member method code with example usage: obj.convert(f) and returns: tf