sr.ht/py3-atpublic: bump pkgrel
sr.ht/py3-asyncpg: update to 0.20.0
sr.ht/py3-arrow: update to 0.15.4
sr.ht/py3-anyjson: bump pkgrel
sr.ht/py3-ansi2html: bump pkgrel
sr.ht/py3-alembic: upgrade to 1.3.2
sr.ht/py3-aiosmtpd: bump pkgrel
sr.ht/py3-importlib-metadata: add addl. dependencies
sr.ht/py3-contextlib2: new aport
sr.ht/py3-zipp: new aport
sr.ht/py3-amqp: upgrade to 2.5.2
py3-importlib-metadata: add py3-packaging to checkdepends
sr.ht/py3-celery: add importlib-metadata dependency
sr.ht/py3-importlib-metadata: new aport
sr.ht/py3-billiard: upgrade to 3.6.1.0
sr.ht/py3-kombu: upgrade to 4.6.7
sr.ht/py3-celery: upgrade to 4.4.0
sr.ht/py3-emailthreads: upgrade to 0.1.2
py3-srht: drop py3-flask-login dependency