something wrong

[CrazyIEEE]

hello here are some touble that i could't slove it ,could you please hele me
if i run this program

Traceback (most recent call last):
File "study.py", line 137, in
save_record(section, lesson, True)
File "study.py", line 126, in save_record
rt = post('/student/tutorial/saveStudyRecordByTokenEncry', p)
File "study.py", line 30, in post
j = r.json()
File "/usr/local/lib/python3.6/site-packages/requests/models.py", line 892, in json
return complexjson.loads(self.text, **kwargs)
File "/usr/local/lib/python3.6/json/init.py", line 354, in loads
return _default_decoder.decode(s)
File "/usr/local/lib/python3.6/json/decoder.py", line 339, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "/usr/local/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)

please help me soon

thanks :-)