error finding username by userID

[Mickept]

python3 InstaTracker.py -i 47682547574 Traceback (most recent call last): File "/home/ndf10/InstaTrack/InstaTracker.py", line 136, in main() File "/home/ndf10/InstaTrack/InstaTracker.py", line 119, in main username = useridToUsername(args.id) File "/home/ndf10/InstaTrack/InstaTracker.py", line 63, in useridToUsername j = json.loads(r.text) File "/usr/lib/python3.9/json/init.py", line 346, in loads return _default_decoder.decode(s) File "/usr/lib/python3.9/json/decoder.py", line 337, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) File "/usr/lib/python3.9/json/decoder.py", line 355, in raw_decode raise JSONDecodeError("Expecting value", s, err.value) from None json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)