hstriepe3

Did you try a minimal example without Flask.threaded param and without any non-related imports (celery, pulsar, other sys libs..)? Don't know about your infrastructure but better check if your routes...

tried your code without the signal and alert_parse lines (see below) on mac with python 3.11.4, Flask 2.2.3, prometheus-flask-exporter 0.22.4: ``` ➜ ~ curl 127.0.0.1:5004/ Hello from Dev Webhook Listener!%...