ID 369353 - channels.py example is using deprecated Python functions

Problem summary
channels.py example is using deprecated Python functionality (from 2.x)

Update all example scripts that use deprecated python functionality 

Customer reported version

4.1v2

Customer reported platform
centos6

Steps to reproduce

1) Open channels.py example Mari script

2) See that the script is using deprecated functions
 

Workaround
Unknown.

Reproduced by support

Reproduced by the development team

Expected behaviour
channels.py example file to use non deprecated Python

Actual behaviour
channels.py example file is using deprecated functions