{
  "before": {
    "exit_code": 0,
    "output": "test_contract (test_app.LessonTest.test_contract) ... ok\n\n----------------------------------------------------------------------\nRan 1 test in 0.000s\n\nOK\n"
  },
  "fixed": {
    "exit_code": 0,
    "output": "test_contract (test_app.LessonTest.test_contract) ... ok\n\n----------------------------------------------------------------------\nRan 1 test in 0.000s\n\nOK\n"
  }
}