aiohttp>=3.6.2,<3.8.0
pyyaml>=5.4.0,<5.5.0
attrs>=19.3.0,<21
fastjsonschema>=2.15.0,<2.16.0
strict_rfc3339>=0.7,<0.8
contextvars>=2.4,<2.5;python_version<"3.7"
