Traceback (most recent call first):
  <built-in method acquire of _thread.lock object at remote 0x7f3c084e89b8>
  File "/usr/lib/python3.7/threading.py", line 300, in wait
    gotit = waiter.acquire(True, timeout)
  File "/usr/lib/python3.7/threading.py", line 552, in wait
    signaled = self._cond.wait(timeout)
  File "/usr/lib/python3.7/multiprocessing/managers.py", line 165, in serve_forever
    self.stop_event.wait(1)
  File "/usr/lib/python3.7/multiprocessing/managers.py", line 577, in _run_server
    server.serve_forever()
  File "/usr/lib/python3.7/multiprocessing/process.py", line 99, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib/python3.7/multiprocessing/process.py", line 297, in _bootstrap
    self.run()
  File "/usr/lib/python3.7/multiprocessing/popen_fork.py", line 74, in _launch
    code = process_obj._bootstrap()
  File "/usr/lib/python3.7/multiprocessing/popen_fork.py", line 20, in __init__
    self._launch(process_obj)
  File "/usr/lib/python3.7/multiprocessing/context.py", line 277, in _Popen
    return Popen(process_obj)
  File "/usr/lib/python3.7/multiprocessing/process.py", line 112, in start
    self._popen = self._Popen(self)
  File "/usr/lib/python3.7/multiprocessing/managers.py", line 543, in start
    self._process.start()
  File "/usr/lib/python3.7/multiprocessing/context.py", line 56, in Manager
    m.start()
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/journal/writer/inmemory.py", line 18, in __init__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/journal/writer/__init__.py", line 27, in get_journal_writer
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/storage/writer.py", line 32, in __init__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/storage/in_memory.py", line 47, in __init__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/storage/__init__.py", line 66, in get_storage
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/storage/validate.py", line 42, in __init__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/storage/__init__.py", line 66, in get_storage
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/storage/tests/test_api_client_dicts.py", line 32, in app_server
  <built-in method next of module object at remote 0x7f3c0eea2c28>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 788, in call_fixture_func
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 964, in pytest_fixture_setup
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 914, in execute
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 584, in _compute_fixture_value
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 503, in _get_active_fixturedef
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 893, in execute
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 584, in _compute_fixture_value
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 503, in _get_active_fixturedef
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 487, in getfixturevalue
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/swh/core/pytest_plugin.py", line 304, in _push_request_context
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 792, in call_fixture_func
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 964, in pytest_fixture_setup
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 914, in execute
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 584, in _compute_fixture_value
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 503, in _get_active_fixturedef
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 487, in getfixturevalue
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 477, in _fillfixtures
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/fixtures.py", line 297, in fillfixtures
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/python.py", line 1485, in setup
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 373, in prepare
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 123, in pytest_runtest_setup
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 217, in <lambda>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 244, in from_call
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 217, in call_runtest_hook
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 186, in call_and_report
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 94, in runtestprotocol
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/runner.py", line 85, in pytest_runtest_protocol
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/main.py", line 272, in pytest_runtestloop
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/main.py", line 247, in _main
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/main.py", line 191, in wrap_session
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/main.py", line 240, in pytest_cmdline_main
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/callers.py", line 187, in _multicall
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 87, in <lambda>
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/manager.py", line 93, in _hookexec
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/pluggy/hooks.py", line 286, in __call__
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/lib/python3.7/site-packages/_pytest/config/__init__.py", line 125, in main
  File "/home/jenkins/workspace/DSTO/tests/.tox/py3/bin/pytest", line 8, in <module>