added an event listener for connection checkout from the sqlalchemy database pool to discard connections that have gone stale
added an event listener for connection checkout from the sqlalchemy database pool to discard connections that have gone stale

therewillbecode/ichnaea,therewillbecode/ichnaea,mozilla/ichnaea,mozilla/ichnaea,mozilla/ichnaea,mozilla/ichnaea,therewillbecode/ichnaea