Will currently throw the following error if you try to add the "next" query parameter to retrieve the next page.
Traceback (most recent call last):
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/watson_developer_cloud/alchemy_data_news_v1.py", line 39, in get_news_documents
return self._alchemy_html_request(method_url='/data/GetNews', method='GET', params=params)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/watson_developer_cloud/watson_developer_cloud_service.py", line 177, in _alchemy_html_request
accept_json=True)
File "/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/watson_developer_cloud/watson_developer_cloud_service.py", line 245, in request
raise WatsonException('Error: ' + error_message)
WatsonException: Error: Invalid field = 'next'
I've identified the bug in the code and will place a PR soon. Adding this issue for documentation/tracking purposes.