traceback error : most recent call last (hello_analytics_api_v3.py line <> module<>)

[Abdulakhtar]

Traceback (most recent call last):
File "hello_analytics_api_v3.py", line 178, in
main(sys.argv)
File "hello_analytics_api_v3.py", line 59, in main
scope='https://www.googleapis.com/auth/analytics.readonly')
File "/home/abdullah/.local/lib/python2.7/site-packages/googleapiclient/sample_tools.py", line 84, in init
message=tools.message_if_missing(client_secrets))
File "/home/abdullah/.local/lib/python2.7/site-packages/oauth2client/_helpers.py", line 133, in positional_wrapper
return wrapped(*args, **kwargs)
File "/home/abdullah/.local/lib/python2.7/site-packages/oauth2client/client.py", line 2134, in flow_from_clientsecrets
client_type, client_info = clientsecrets.loadfile(filename,cache=cache)
File "/home/abdullah/.local/lib/python2.7/site-packages/oauth2client/clientsecrets.py", line 165, in loadfile
return _loadfile(filename)
File "/home/abdullah/.local/lib/python2.7/site-packages/oauth2client/clientsecrets.py", line 122, in _loadfile
obj = json.load(fp)
File "/usr/lib/python2.7/json/init.py", line 289, in load
**kw)
File "/usr/lib/python2.7/json/init.py", line 337, in loads
return _default_decoder.decode(s)
File "/usr/lib/python2.7/json/decoder.py", line 380, in decode
obj, end = self.scan_once(s, idx)
ValueError: Invalid control character at: line 5 column 70 (char 230)

first it was showing no client_id after resolving it, above error is displayed.