Enable Python 3 compatibility for the FE. Should be backwards compatible but need to double check it's OK on athena with Python 2. Note that the python versions cannot be changed without migrating the database pickles (so this PR can be merged at any point but athena should not be changed to python 3 yet)
Enable Python 3 compatibility for the FE. Should be backwards compatible but need to double check it's OK on athena with Python 2. Note that the python versions cannot be changed without migrating the database pickles (so this PR can be merged at any point but athena should not be changed to python 3 yet)