win7下差车票出现JSONDecodeError

[SocketAnGit]

Traceback (most recent call last):
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\runpy.py", l
ine 184, in _run_module_as_main
"main", mod_spec)
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\runpy.py", l
ine 85, in run_code
exec(code, run_globals)
File "C:\Users\DELL\AppData\Local\Programs\Python\Python35-32\Scripts\iquery.e
xe_main.py", line 9, in
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\site-package
s\iquery\core.py", line 112, in cli
result = query(args.as_train_query_params)
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\site-package
s\iquery\trains.py", line 250, in query
return TrainTicketsQuery(*params).query()
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\site-package
s\iquery\trains.py", line 238, in query
rows = r.json()['data']['datas']
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\site-package
s\requests\models.py", line 850, in json
return complexjson.loads(self.text, **kwargs)
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\json_init
_.py", line 319, in loads
return _default_decoder.decode(s)
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\json\decoder
.py", line 339, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "c:\users\dell\appdata\local\programs\python\python35-32\lib\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)

环境是win7家庭版 ， python3.5 ,cmd命令行下执行 iquery 南昌 任丘 20170126