Autogenerated type safety parameterisation of all methods

core/prometheus_metrics_handler.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from prometheus_client import (
     CollectorRegistry,
     Counter,
@@ -25,7 +27,7 @@ memory_use_gauge = Gauge(
 )
 
 
-def get_metrics():
+def get_metrics() -> bytes:
     """Get a Prometheus metrics response for the web server"""
 
     return generate_latest(registry)