request error on ubuntu 14 machines

Ubuntu 14.04 comes with Python 3.4.3 and gives the following error when a check is to be created:

Traceback (most recent call last):
  File "/usr/local/bin/sch", line 9, in <module>
    load_entry_point('SmartCronHelper==0.1', 'console_scripts', 'sch')()
  File "/usr/local/lib/python3.4/dist-packages/sch.py", line 157, in run
    check = health_checks.new_check(job)
  File "/usr/local/lib/python3.4/dist-packages/hc.py", line 388, in new_check
    json=data
  File "/usr/lib/python3/dist-packages/requests/api.py", line 88, in post
    return request('post', url, data=data, **kwargs)
  File "/usr/lib/python3/dist-packages/requests/api.py", line 44, in request
    return session.request(method=method, url=url, **kwargs)
TypeError: request() got an unexpected keyword argument 'json'