Traceback (most recent call last):


 "src/gevent/greenlet.py", line 854, in gevent._greenlet.Greenlet.run


 "raiden/tasks.py", line 169, in _run


 "raiden/tasks.py", line 194, in loop_until_stop


 "raiden/network/rpc/client.py", line 913, in get_block


 "web3/eth.py", line 217, in getBlock


 "web3/manager.py", line 149, in request_blocking


 "web3/manager.py", line 128, in _make_request


 "web3/middleware/cache.py", line 134, in middleware


 "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__


 "web3/middleware/formatting.py", line 75, in apply_formatters


 "web3/middleware/gas_price_strategy.py", line 34, in middleware


 "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__


 "web3/middleware/formatting.py", line 75, in apply_formatters


 "web3/middleware/attrdict.py", line 33, in middleware


 "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__


 "web3/middleware/formatting.py", line 73, in apply_formatters


 "web3/middleware/normalize_errors.py", line 25, in middleware


 "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__


 "web3/middleware/formatting.py", line 75, in apply_formatters


 "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__


 "web3/middleware/formatting.py", line 75, in apply_formatters


 "cytoolz/functoolz.pyx", line 250, in cytoolz.functoolz.curry.__call__


 "web3/middleware/formatting.py", line 75, in apply_formatters


 "web3/middleware/exception_retry_request.py", line 104, in middleware


 "web3/providers/rpc.py", line 85, in make_request


 "web3/providers/base.py", line 89, in decode_rpc_response


 "web3/_utils/encoding.py", line 223, in json_decode
json.decoder.JSONDecodeError: Could not decode '' because of Expecting value: line 1 column 1 (char 0).: line 1 column 1 (char 0)

Traceback (most recent call last):


 "train.py", line 259, in <module>

train()


 "train.py", line 82, in train

MEANS))


 "/home/alireza/ssd/A/data/coco.py", line 96, in __init__

INSTANCES_SET.format(image_set)))


 "/home/alireza/anaconda3/lib/python3.6/site-packages/pycocotools-2.0-py3.6-linux-x86_64.egg/pycocotools/coco.py", line 84, in __init__

dataset = json.load(open(annotation_file, 'r'))


 "/home/alireza/anaconda3/lib/python3.6/json/__init__.py", line 299, in load

parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)


 "/home/alireza/anaconda3/lib/python3.6/json/__init__.py", line 354, in loads

return _default_decoder.decode(s)


 "/home/alireza/anaconda3/lib/python3.6/json/decoder.py", line 339, in decode

obj, end = self.raw_decode(s, idx=_w(s, 0).end())


 "/home/alireza/anaconda3/lib/python3.6/json/decoder.py", line 357, in raw_decode

raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
