STYLE: Update slicer/release/midasdata.py to support python 3
Created by: jcfr
This script is used to version the "NA-MIC data tree". See https://www.slicer.org/wiki/Documentation/Nightly/Developers/ReleaseProcess#Version_NA-MIC_data_tree
Created by: jcfr
This script is used to version the "NA-MIC data tree". See https://www.slicer.org/wiki/Documentation/Nightly/Developers/ReleaseProcess#Version_NA-MIC_data_tree