Merge pull request #53 from labthings/dependabot/pip/gevent-20.4.0

Bump gevent from 1.5.0 to 20.4.0

Author: jtc42

poetry.lock

@@ -11,7 +11,7 @@ marshmallow = "^3.4.0"
 webargs = "^6.0.0"
 apispec = "^3.2.0"
 flask-cors = "^3.0.8"
-gevent = "^1.4.0"
+gevent = ">=1.4,<21.0"
 gevent-websocket = "^0.10.1"
 zeroconf = ">=0.24.5,<0.26.0"