If I compile latest master using Python 3.6, it does compile, but there are small errors reported:
Sorry: TabError: inconsistent use of tabs and spaces in indentation (getIONEX.py, line 637)
Sorry: TabError: inconsistent use of tabs and spaces in indentation (getRM.py, line 84)
If I compile latest master using Python 3.6, it does compile, but there are small errors reported: