code: def test_prefers_pep440(self):
      assert Marker('"2.7.9" < "foo"').evaluate(dict(foo="2.7.10"))
  
imports: import collections
  import itertools
  import os
  import platform
  import sys
  from typing import cast
  import pytest
  from packaging._parser import Node
  from packaging.markers import InvalidMarker, Marker, UndefinedComparison, default_environment, format_full_version
label_desc: Use image node_id 1 for calling the TestOperatorEvaluation obj's underlying member method code with example usage: obj.test_prefers_pep440() without return types