[CORE-1730] Added UTF-8 encoding to python template
[CORE-1730] Added UTF-8 encoding to python template

This was not required before, but soon python script will be treated as a separate file (resulting in a proper traceback for one) so it needs to have encoding defined in case user uses UTF-8 in source.
Syncano/syncano-dashboard,Syncano/syncano-dashboard,Syncano/syncano-dashboard