code: def assertSame(self, source):
      module = ast.parse(source)
  
      tested.update(module)
  
      gen = SourceGen()
      gen.visit(module)
      generated_source = gen.dumps()
  
      self.assertEqual(source, generated_source.strip("\n"))
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import unittest
  import ast
  from ...asttools.visitors.pysourcegen import SourceGen
  from ...asttools.tests import AllTypesTested
  from ...testing import py2only, py3only
label_desc: Use image node_id 1 for calling the TestSimple obj's underlying member method code with example usage: obj.assertSame(source) without return types