diff --git a/frigate/api/app.py b/frigate/api/app.py
index 6a89d43fb..70053b8f2 100644
--- a/frigate/api/app.py
+++ b/frigate/api/app.py
@@ -147,9 +147,9 @@ def config(request: Request):
     config["model"]["colormap"] = config_obj.model.colormap
 
     for detector_config in config["detectors"].values():
-        detector_config["model"][
-            "labelmap"
-        ] = request.app.frigate_config.model.merged_labelmap
+        detector_config["model"]["labelmap"] = (
+            request.app.frigate_config.model.merged_labelmap
+        )
 
     return JSONResponse(content=config)
 
diff --git a/frigate/stats/prometheus.py b/frigate/stats/prometheus.py
index 59d9f1080..8e6b42f1e 100644
--- a/frigate/stats/prometheus.py
+++ b/frigate/stats/prometheus.py
@@ -1,7 +1,6 @@
 from prometheus_client import (
     Counter,
     Gauge,
-    Histogram,
     Info,
     generate_latest,
     CONTENT_TYPE_LATEST,