'To make things work we nudge the url tree to make this the
root.
Args:
path (str): Url path.
request (Request object): Incoming request.
Notes:
We make sure to save the request queue so
that we can safely kill the threadpool
on a server reload.'

def getChild(self, path, request):

    path0 = request.prepath.pop(0)
    request.postpath.insert(0, path0)
    deferred = request.notifyFinish()
    self._pending_requests[deferred] = deferred
    deferred.addBoth(self._decrement_requests, deferred=deferred)
    return self.wsgi_resource
