code: def testVariantSerializeDeserialize(self):
      self._testSerializeDeserializeHelper(
          sparse_ops.serialize_sparse,
          sparse_ops.deserialize_sparse,
          dtypes.variant,
      )
  
imports: import numpy
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import sparse_tensor
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops import array_ops
  from tensorflow.python.ops import array_ops_stack
  from tensorflow.python.ops import gen_resource_variable_ops
  from tensorflow.python.ops import sparse_ops
  from tensorflow.python.platform import test
label_desc: Use image node_id 7 for calling the SerializeSparseTest obj's underlying member method code with example usage: obj.testVariantSerializeDeserialize() without return types