def destroy_volume(blockdevice_id):
This extractor matches with any url, since
dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/blockdevice.py/IBlockDeviceAPI.destroy_volume--crossover with--dataset/ETHPy150Open wcong/ants/ants/contrib/linkextractors/sgml.py/BaseSgmlLinkExtractor.matches