DEBUG:swh.storage.replay:Inserting 200 raw_extrinsic_metadata objects
 Traceback (most recent call last):
   File "/usr/bin/swh", line 11, in <module>
     load_entry_point('swh.core==0.15.0', 'console_scripts', 'swh')()
   File "/usr/lib/python3/dist-packages/swh/core/cli/__init__.py", line 185, in main
     return swh(auto_envvar_prefix="SWH")
   File "/usr/lib/python3/dist-packages/click/core.py", line 764, in __call__
     return self.main(*args, **kwargs)
   File "/usr/lib/python3/dist-packages/click/core.py", line 717, in main
     rv = self.invoke(ctx)
   File "/usr/lib/python3/dist-packages/click/core.py", line 1137, in invoke
     return _process_result(sub_ctx.command.invoke(sub_ctx))
   File "/usr/lib/python3/dist-packages/click/core.py", line 1137, in invoke
     return _process_result(sub_ctx.command.invoke(sub_ctx))
   File "/usr/lib/python3/dist-packages/click/core.py", line 956, in invoke
     return ctx.invoke(self.callback, **ctx.params)
   File "/usr/lib/python3/dist-packages/click/core.py", line 555, in invoke
     return callback(*args, **kwargs)
   File "/usr/lib/python3/dist-packages/click/decorators.py", line 17, in new_func
     return f(get_current_context(), *args, **kwargs)
   File "/usr/lib/python3/dist-packages/swh/storage/cli.py", line 194, in replay
     client.process(worker_fn)
   File "/usr/lib/python3/dist-packages/swh/journal/client.py", line 265, in process
     batch_processed, at_eof = self.handle_messages(messages, worker_fn)
   File "/usr/lib/python3/dist-packages/swh/journal/client.py", line 292, in handle_messages
     worker_fn(dict(objects))
   File "/usr/lib/python3/dist-packages/swh/storage/replay.py", line 62, in process_replay_objects
     _insert_objects(object_type, objects, storage)
   File "/usr/lib/python3/dist-packages/swh/storage/replay.py", line 151, in _insert_objects
     storage.metadata_authority_add(authorities)
   File "/usr/lib/python3/dist-packages/swh/core/api/__init__.py", line 181, in meth_
     return self.post(meth._endpoint_path, post_data)
   File "/usr/lib/python3/dist-packages/swh/core/api/__init__.py", line 262, in post
     data = self._encode_data(data)
   File "/usr/lib/python3/dist-packages/swh/core/api/__init__.py", line 281, in _encode_data
     return encode_data(data, extra_encoders=self.extra_type_encoders)
   File "/usr/lib/python3/dist-packages/swh/core/api/serializers.py", line 126, in encode_data_client
     return msgpack_dumps(data, extra_encoders=extra_encoders)
   File "/usr/lib/python3/dist-packages/swh/core/api/serializers.py", line 275, in msgpack_dumps
     default=encode_types,
   File "/usr/lib/python3/dist-packages/msgpack/__init__.py", line 35, in packb
     return Packer(**kwargs).pack(o)
   File "msgpack/_packer.pyx", line 286, in msgpack._cmsgpack.Packer.pack
   File "msgpack/_packer.pyx", line 292, in msgpack._cmsgpack.Packer.pack
   File "msgpack/_packer.pyx", line 289, in msgpack._cmsgpack.Packer.pack
   File "msgpack/_packer.pyx", line 225, in msgpack._cmsgpack.Packer._pack
   File "msgpack/_packer.pyx", line 283, in msgpack._cmsgpack.Packer._pack
 TypeError: can not serialize 'set' object