code: def testDenseDefaultNoShapeShouldFail(self):
      original = example(
          features=features(
              {
                  "a": float_feature([1, 1, 3]),
              }
          )
      )
  
      serialized = original.SerializeToString()
  
      self._test(
          {
              "serialized": ops.convert_to_tensor(serialized),
              "features": {
                  "a": parsing_ops.FixedLenFeature(None, dtypes.float32)
              },
          },
          expected_err=(ValueError, "Missing shape for feature a"),
      )
  
imports: import itertools
  import numpy
  from tensorflow.core.example import example_pb2
  from tensorflow.core.example import feature_pb2
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import errors_impl
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import tensor_shape
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import parsing_ops
  from tensorflow.python.platform import test
  from tensorflow.python.platform import tf_logging
label_desc: Use image node_id 5 for calling the ParseExampleTest obj's underlying member method code with example usage: obj.testDenseDefaultNoShapeShouldFail() without return types