code: def test_nested_multiple_withs(self):
      def f(x):
          v = []
          while x > 0:
              x -= 1
              with ops.name_scope(""):
                  if x % 2 == 0:
                      return v
              with ops.name_scope(""):
                  v.append(x)
              v.append(x)
          return v
  
      self.assertTransformedEquivalent(f, 0)
      self.assertTransformedEquivalent(f, 1)
      self.assertTransformedEquivalent(f, 3)
      self.assertTransformedEquivalent(f, 4)
  
imports: from tensorflow.python.autograph.converters import functions
  from tensorflow.python.autograph.converters import return_statements
  from tensorflow.python.autograph.core import converter_testing
  from tensorflow.python.framework import ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 19 for calling the SingleReturnTest obj's underlying member method code with example usage: obj.test_nested_multiple_withs() and returns: v, v