def create(path):
unicorn = Service('unicorn')
print 'creating node {}'.format(path)
ch = yield unicorn.create_with(path, {}, dict(ephemeral=True))
# ch = yield unicorn.create(path, {})
_ = yield ch.rx.get()
print 'creating done'
yield gen.sleep(10)
print 'node should be removed {}'.format(path)
yield ch.tx.close()
