json file error

[q1135718080]

when I run test.py，error happen,that's the error info:

Traceback (most recent call last):
File "test.py", line 155, in
run_test()
File "test.py", line 152, in run_test
eval_all(args, config, Network)
File "test.py", line 29, in eval_all
crowdhuman = CrowdHuman(config, if_train=False)
File "../lib\data\CrowdHuman.py", line 20, in init
self.records = misc_utils.load_json_lines(source)
File "../lib\utils\misc_utils.py", line 11, in load_json_lines
assert os.path.exists(fpath)
AssertionError