Tried loading aces_1.0.3 with OCIO2 and CreateFromFile is
throwing an exception:
Error: Loading the OCIO profile
'/Users/paul/src/OpenColorIO-Configs/aces_1.0.3' failed. At line
0, '' parsing failed: The specified OCIO configuration file
/Users/paul/src/OpenColorIO-Configs/aces_1.0.3 does not appear
to have a valid version <null>.
