Fix a bug where some NaN values could leak into the JSON output, causing it to be invalid. Created a new safe_json_dumps method since we would otherwise now be providing multiple parameters all over the code

server/handlers/api/status.py

@@ -1,4 +1,3 @@
-import json
 from datetime import datetime
 from typing import Any
 
@@ -8,7 +7,7 @@ from tornado import httputil
 from tornado.web import Application
 
 from core.prometheus_metrics_handler import api_requests_counter
-from core.utils import serialize_everything
+from core.utils import safe_json_dumps
 
 
 class APIStatusHandler(tornado.web.RequestHandler):
@@ -30,7 +29,7 @@ class APIStatusHandler(tornado.web.RequestHandler):
         self._web_server_metrics["status"] = "OK"
         api_requests_counter.inc()
 
-        self.write(json.dumps(self._status_data, default=serialize_everything))
+        self.write(safe_json_dumps(self._status_data))
         self.set_status(200)
         self.set_header("Cache-Control", "no-store")
         self.set_header("Content-Type", "application/json")