update pyfai to 16 (#506)
update pyfai to 16 (#506)


NSLS-II/auto-build-tagged-recipes,NSLS-II/lightsource2-recipes,NSLS-II/lightsource2-recipes,NSLS-II/lightsource2-recipes,NSLS-II/auto-build-tagged-recipes,NSLS-II/lightsource2-recipes