python - error in code for raspberry pi 2 -


after getting code, errors still appear.

import urllib.request import json r = urllib.request.urlopen("http://www.countdown.tfl.gov.uk/stopboard/50051").read() rr = str(r)  obj = json.loads(rr)  # filter b16 objects b16_objs = filter(lambda a: a['routename'] == 'b16',  obj['arrivals'])  if b16_objs: # first item b16 = b16_objs[0] my_estimatedwait = b16['estimatedwait'] print(my_estimatedwait)

and error , im not sure how fix im new python , raspberry pi 2. thanks

file "/usr/lib/python3.2/json/decoder.py", line 369, in raw_decode obj, end = self.scan_once(s, idx) stopiteration  during handling of above exception, exception occurred:  traceback (most recent call last): file "program6.py", line 6, in <module> obj = json.loads(rr) file "/usr/lib/python3.2/json/__init__.py", line 309, in loads return _default_decoder.decode(s) file "/usr/lib/python3.2/json/decoder.py", line 353, in decode obj, end = self.raw_decode(s, idx=_w(s, 0).end()) file "/usr/lib/python3.2/json/decoder.py", line 371, in raw_decode raise valueerror("no json object decoded") valueerror: no json object decoded

thanks help

replace line rr = str(r) this:

rr = r.decode()

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