Issue with pyTelegramBotAPI

Traceback (most recent call last):
  File "/home/ubuntu/workspace/bot1.py", line 736, in <module>
    bot.polling(none_stop=True) # Con esto, le decimos al bot que siga funcionando incluso si encuentra algún fallo.
  File "build/bdist.linux-x86_64/egg/telebot/__init__.py", line 183, in polling
  File "build/bdist.linux-x86_64/egg/telebot/__init__.py", line 206, in __threaded_polling
  File "build/bdist.linux-x86_64/egg/telebot/util.py", line 72, in raise_exceptions
  File "build/bdist.linux-x86_64/egg/telebot/util.py", line 53, in run
  File "build/bdist.linux-x86_64/egg/telebot/__init__.py", line 121, in __retrieve_updates
  File "build/bdist.linux-x86_64/egg/telebot/__init__.py", line 91, in get_updates
  File "build/bdist.linux-x86_64/egg/telebot/apihelper.py", line 137, in get_updates
  File "build/bdist.linux-x86_64/egg/telebot/apihelper.py", line 32, in _make_request
  File "/usr/lib/python2.7/dist-packages/requests/api.py", line 44, in request
    return session.request(method=method, url=url, **kwargs)
  File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 455, in request
    resp = self.send(prep, **send_kwargs)
  File "/usr/lib/python2.7/dist-packages/requests/sessions.py", line 558, in send
    r = adapter.send(request, **kwargs)
  File "/usr/lib/python2.7/dist-packages/requests/adapters.py", line 316, in send
    timeout = TimeoutSauce(connect=timeout, read=timeout)
  File "/usr/lib/python2.7/dist-packages/urllib3/util.py", line 116, in __init__
    self._connect = self._validate_timeout(connect, 'connect')
  File "/usr/lib/python2.7/dist-packages/urllib3/util.py", line 147, in _validate_timeout
    "int or float." % (name, value))
ValueError: Timeout value connect was (3.5, 30), but it must be an int or float.


Process exited with code: 1