Signed-off-by: Corentin Henry <corentinhenry@gmail.com>

pytest-timeout 1.2.1 seems to be incompatible with pytest 3.6.3:

INTERNALERROR> Traceback (most recent call last):
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/main.py", line 185, in wrap_session
INTERNALERROR>     session.exitstatus = doit(config, session) or 0
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/main.py", line 225, in _main
INTERNALERROR>     config.hook.pytest_runtestloop(session=session)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/hooks.py", line 284, in __call__
INTERNALERROR>     return self._hookexec(self, self.get_hookimpls(), kwargs)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/manager.py", line 67, in _hookexec
INTERNALERROR>     return self._inner_hookexec(hook, methods, kwargs)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/manager.py", line 61, in <lambda>
INTERNALERROR>     firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/callers.py", line 208, in _multicall
INTERNALERROR>     return outcome.get_result()
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/callers.py", line 81, in get_result
INTERNALERROR>     _reraise(*ex)  # noqa
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/callers.py", line 187, in _multicall
INTERNALERROR>     res = hook_impl.function(*args)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/main.py", line 246, in pytest_runtestloop
INTERNALERROR>     item.config.hook.pytest_runtest_protocol(item=item, nextitem=nextitem)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/hooks.py", line 284, in __call__
INTERNALERROR>     return self._hookexec(self, self.get_hookimpls(), kwargs)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/manager.py", line 67, in _hookexec
INTERNALERROR>     return self._inner_hookexec(hook, methods, kwargs)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/manager.py", line 61, in <lambda>
INTERNALERROR>     firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/callers.py", line 208, in _multicall
INTERNALERROR>     return outcome.get_result()
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/callers.py", line 81, in get_result
INTERNALERROR>     _reraise(*ex)  # noqa
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pluggy/callers.py", line 182, in _multicall
INTERNALERROR>     next(gen)  # first yield
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pytest_timeout.py", line 76, in pytest_runtest_protocol
INTERNALERROR>     timeout_setup(item)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pytest_timeout.py", line 104, in timeout_setup
INTERNALERROR>     timeout, method = get_params(item)
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pytest_timeout.py", line 162, in get_params
INTERNALERROR>     timeout, method = _parse_marker(item.keywords['timeout'])
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/pytest_timeout.py", line 178, in _parse_marker
INTERNALERROR>     if not marker.args and not marker.kwargs:
INTERNALERROR>   File "/usr/local/lib/python2.7/site-packages/_pytest/mark/structures.py", line 25, in warned
INTERNALERROR>     warnings.warn(warning, stacklevel=2)
INTERNALERROR> RemovedInPytest4Warning: MarkInfo objects are deprecated as they contain merged marks which are hard to deal with correctly.
INTERNALERROR> Please use node.get_closest_marker(name) or node.iter_markers(name).
INTERNALERROR> Docs: https://docs.pytest.org/en/latest/mark.html#updating-code