Traceback (most recent call last):


 "/home/runner/work/urllib3/urllib3/dummyserver/testcase.py", line 141, in setup_class

cls._start_server()


 "/home/runner/work/urllib3/urllib3/dummyserver/testcase.py", line 129, in _start_server

app, cls.io_loop, cls.certs, cls.scheme, cls.host


 "/home/runner/work/urllib3/urllib3/dummyserver/server.py", line 182, in run_tornado_app

sockets = tornado.netutil.bind_sockets(None, address=host)


 "/home/runner/work/urllib3/urllib3/.nox/test-3-7/lib/python3.7/site-packages/tornado/netutil.py", line 161, in bind_sockets

sock.bind(sockaddr)
OSError: [Errno 98] Address already in use

Traceback (most recent call last):


 "anaconda3/envs/transformers/lib/python3.7/site-packages/datasets/builder.py", line 553, in _download_and_prepare

self._prepare_split(split_generator, **prepare_split_kwargs) 


 "anaconda3/envs/transformers/lib/python3.7/site-packages/datasets/builder.py", line 841, in _prepare_split

generator, unit=" examples", total=split_info.num_examples, leave=False, disable=not_verbose


 "anaconda3/envs/transformers/lib/python3.7/site-packages/tqdm/std.py", line 1130, in __iter__

for obj in iterable:


 ".cache/huggingface/modules/datasets_modules/datasets/wiki_dpr/14b973bf2a456087ff69c0fd34526684eed22e48e0dfce4338f9a22b965ce7c2/wiki_dpr.py", line 132, in _generate_examples 

vecs = np.load(open(vectors_files.pop(0), "rb"), allow_pickle=True)


 "anaconda3/envs/transformers/lib/python3.7/site-packages/numpy/lib/npyio.py", line 450, in load

"Failed to interpret file %s as a pickle" % repr(file))
OSError: Failed to interpret file <_io.BufferedReader name='.cache/huggingface/datasets/downloads/cd4183aaa482e0e3724cb8b2efafc6c762914aabed38c16a41f922ff7d5e90f9'> as a pickle
