code: def assertWriteOnly(self, qn, scope):
      self.assertNotIn(qn, scope.read)
      self.assertIn(qn, scope.modified)
  
imports: import gast
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import naming
  from tensorflow.python.autograph.pyct import parser
  from tensorflow.python.autograph.pyct import qual_names
  from tensorflow.python.autograph.pyct import transformer
  from tensorflow.python.autograph.pyct.static_analysis import activity
  from tensorflow.python.autograph.pyct.static_analysis import annos
  from tensorflow.python.platform import test
label_desc: Use image node_id 3 for calling the ScopeTest obj's underlying member method code with example usage: obj.assertWriteOnly(qn, scope) without return types