More ruff linter fixes

server/handlers/api/alerts.py

@@ -150,7 +150,7 @@ def get_alert_list_with_filters(all_alerts, query):
             alerts.append(a)
     alerts = sorted(alerts, key=lambda alert: alert.start_time if alert and alert.start_time else 0)
     alerts = list(filter(lambda alert: alert_allowed_by_query(alert, query), alerts))
-    if "limit" in query.keys():
+    if "limit" in query:
         alerts = alerts[: int(query.get("limit"))]
     return alerts
 
@@ -159,7 +159,7 @@ def alert_allowed_by_query(alert, query):
     """Given URL query params and an alert, figure out if the alert "passes" the requested filters or is rejected. The list
     of query parameters and their function is defined in the API docs."""
 
-    for k in query.keys():
+    for k in query:
         match k:
             case "received_since":
                 since = datetime.fromtimestamp(float(query.get(k)), pytz.UTC)
@@ -172,7 +172,7 @@ def alert_allowed_by_query(alert, query):
                 # the alert is a dxpedition, it also always passes the check.
                 if alert.is_dxpedition and (
                     query.get("dxpeditions_skip_max_duration_check").upper() == "TRUE"
-                    if "dxpeditions_skip_max_duration_check" in query.keys()
+                    if "dxpeditions_skip_max_duration_check" in query
                     else False
                 ):
                     continue