INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\_pytest\main.py", line 201, in wrap_session
INTERNALERROR>     config.hook.pytest_sessionstart(session=session)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\hooks.py", line 284, in __call__
INTERNALERROR>     return self._hookexec(self, self.get_hookimpls(), kwargs)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\manager.py", line 68, in _hookexec
INTERNALERROR>     return self._inner_hookexec(hook, methods, kwargs)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\manager.py", line 62, in <lambda>
INTERNALERROR>     firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\callers.py", line 208, in _multicall
INTERNALERROR>     return outcome.get_result()
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\callers.py", line 81, in get_result
INTERNALERROR>     _reraise(*ex)  # noqa
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\callers.py", line 187, in _multicall
INTERNALERROR>     res = hook_impl.function(*args)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\xdist\dsession.py", line 81, in pytest_sessionstart
INTERNALERROR>     nodes = self.nodemanager.setup_nodes(putevent=self.queue.put)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\xdist\workermanage.py", line 68, in setup_nodes
INTERNALERROR>     nodes.append(self.setup_node(spec, putevent))
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\xdist\workermanage.py", line 77, in setup_node
INTERNALERROR>     node.setup()
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\xdist\workermanage.py", line 246, in setup
INTERNALERROR>     self.config.hook.pytest_configure_node(node=self)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\hooks.py", line 284, in __call__
INTERNALERROR>     return self._hookexec(self, self.get_hookimpls(), kwargs)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\manager.py", line 68, in _hookexec
INTERNALERROR>     return self._inner_hookexec(hook, methods, kwargs)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\manager.py", line 62, in <lambda>
INTERNALERROR>     firstresult=hook.spec.opts.get("firstresult") if hook.spec else False,
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\callers.py", line 208, in _multicall
INTERNALERROR>     return outcome.get_result()
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\callers.py", line 81, in get_result
INTERNALERROR>     _reraise(*ex)  # noqa
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pluggy\callers.py", line 187, in _multicall
INTERNALERROR>     res = hook_impl.function(*args)
INTERNALERROR>   File "c:\localdata\workspaces\.tox\py27-pylint\lib\site-packages\pytest_cov\plugin.py", line 198, in pytest_configure_node
INTERNALERROR>     self.cov_controller.configure_node(node)
INTERNALERROR> AttributeError: 'NoneType' object has no attribute 'configure_node'