Bump event-model to 1.9.0. (#670)
Bump event-model to 1.9.0. (#670)


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