Error, no connection adapters were found

[efreedom79]

Running the script gives me this error:

Traceback (most recent call last):
File "buChronos.py", line 51, in
main()
File "buChronos.py", line 46, in main
backup(args.url, args.backup)
File "buChronos.py", line 13, in backup
r = requests.get(url)
File "/usr/lib/python2.7/site-packages/requests/api.py", line 65, in get
return request('get', url, *_kwargs)
File "/usr/lib/python2.7/site-packages/requests/api.py", line 49, in request
response = session.request(method=method, url=url, *_kwargs)
File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 461, in request
resp = self.send(prep, **send_kwargs)
File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 567, in send
adapter = self.get_adapter(url=request.url)
File "/usr/lib/python2.7/site-packages/requests/sessions.py", line 646, in get_adapter
raise InvalidSchema("No connection adapters were found for '%s'" % url)
requests.exceptions.InvalidSchema: No connection adapters were found for 'chronos.xxxxxx.net:8081/scheduler/jobs'