Readthedocs build is failing: ERROR: No matching distribution found for ligo.em-bright>=1.0
See https://readthedocs.org/projects/gwcelery/builds/16559466/:
ERROR: Could not find a version that satisfies the requirement ligo.em-bright>=1.0 (from gwcelery[doc]) (from versions: 0.1.0, 0.1.1, 0.1.2, 0.1.3, 0.1.4, 0.1.5, 0.1.6)
ERROR: No matching distribution found for ligo.em-bright>=1.0