https://findit-for-me.appspot.com/waterfall/flake?key=ag9zfmZpbmRpdC1mb3ItbWVygQILEhdNYXN0ZXJGbGFrZUFuYWx5c2lzUm9vdCLKAWNocm9taXVtLmNocm9taXVtb3MvbGludXgtY2hyb21lb3MtZGJnLzUzNTcvYnJvd3Nlcl90ZXN0cy9VMlZ5ZG1salpWZHZjbXRsY2t4aGVubENZV05yWjNKdmRXNWtWR1Z6ZEZkcGRHaE9ZWFJwZG1WQ2FXNWthVzVuY3k5VFpYSjJhV05sVjI5eWEyVnlUR0Y2ZVVKaFkydG5jbTkxYm1SVVpYTjBMa1YyWlc1MGMxUnZVM1J2Y0hCbFpFVjRkR1Z1YzJsdmJpOHcMCxITTWFzdGVyRmxha2VBbmFseXNpcxgBDA

Generator pipelines.flake_failure.get_isolate_sha_pipeline.GetIsolateShaForTryJobPipeline(*(u'ENCODED:boHH6HlAZEbA0jDg7NHrcEFIN',), **{'step_name': u'browser_tests', 'try_job_result': {u'report': None, u'try_job_id': u'8948350623685978320', u'url': u'https://ci.chromium.org/p/chromium/builders/luci.chromium.findit/findit_variable/21... (205 bytes))#2a7c609352d143ab966cf49da48d0d62 raised exception. AttributeError: 'NoneType' object has no attribute 'isolated_tests' (/base/data/home/apps/s~findit-for-me/waterfall-backend:15056-35ba78c.409142294549913140/infra_api_clients/../third_party/pipeline/pipeline.py:2434)
Traceback (most recent call last):
  File "/base/data/home/apps/s~findit-for-me/waterfall-backend:15056-35ba78c.409142294549913140/infra_api_clients/../third_party/pipeline/pipeline.py", line 2158, in evaluate
    self, pipeline_key, root_pipeline_key, caller_output)
  File "/base/data/home/apps/s~findit-for-me/waterfall-backend:15056-35ba78c.409142294549913140/infra_api_clients/../third_party/pipeline/pipeline.py", line 1113, in _run_internal
    return self.run(*self.args, **self.kwargs)
  File "/base/data/home/apps/s~findit-for-me/waterfall-backend:15056-35ba78c.409142294549913140/gae_libs/pipelines.py", line 262, in run
    result = self.RunImpl(arg)
  File "/base/data/home/apps/s~findit-for-me/waterfall-backend:15056-35ba78c.409142294549913140/pipelines/flake_failure/get_isolate_sha_pipeline.py", line 73, in RunImpl
    isolated_tests = parameters.try_job_result.report.isolated_tests
AttributeError: 'NoneType' object has no attribute 'isolated_tests'