https://github.com/MicroFocus/ColorYourData/tree/master/connectors/MSSQL2BVD
This line has a wrong.
raw_data = postRequest(bvdUrl + '/api/submit/' + bvdApiKey + '/dims/querytype', [{'key':'Content-Type', 'value':'application/json'}], json.dumps(jsonDataForBVD).encode('ascii'))
Please change "json.dumps(jsonDataForBVD" to json.dumps(list_obj)
raw_data = postRequest(bvdUrl + '/api/submit/' + bvdApiKey + '/dims/querytype', [{'key':'Content-Type', 'value':'application/json'}], json.dumps(list_obj).encode('ascii'))