code: def test_comprehension_targets_are_isolated(self):
      def test_fn(a):
          b = {c for c in a}  # pylint:disable=unused-variable
  
      node, _ = self._parse_and_analyze(test_fn)
      fn_node = node
      body_scope = anno.getanno(fn_node, NodeAnno.BODY_SCOPE)
      self.assertScopeIs(body_scope, ("a",), ("b",))
  
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 29 for calling the ActivityAnalyzerTest obj's underlying member method code with example usage: obj.test_comprehension_targets_are_isolated() without return types