code: def test_mismatched_span_latest_version(self):
      actual = self._paired_spans(
          {
              "a": _get_artifacts([(0, 0)]),
              "b": _get_artifacts([(0, 0), (0, 1)]),
          },
          keep_all_versions=False,
      )
      self.assertEmpty(actual)
  
file_path: tfx/tfx/dsl/input_resolution/ops/paired_spans_op_test.py
imports: from typing import List, Sequence, Tuple
  import tensorflow
  from tfx.dsl.input_resolution.ops import ops
  from tfx.dsl.input_resolution.ops import test_utils
label_desc: Use image node_id 4 for calling the PairedSpansOpTest obj's underlying member method code with example usage: obj.test_mismatched_span_latest_version() without return types