Start converting some enum-like strings to proper enums, plus global reformat

server/handlers/api/options.py

@@ -8,8 +8,8 @@ from tornado import httputil
 from tornado.web import Application
 
 from core.config import ALLOW_SPOTTING, MAX_SPOT_AGE
-from core.constants import ALL_MODES, BANDS, MODE_TYPES, PROPAGATION_MODES, SIGS
-from core.enums import Continent
+from core.constants import ALL_MODES, BANDS, PROPAGATION_MODES, SIGS
+from core.enums import Continent, ModeType
 from core.prometheus_metrics_handler import api_requests_counter
 from core.utils import safe_json_dumps
 
@@ -84,7 +84,7 @@ class APIOptionsHandler(tornado.web.RequestHandler):
             options = {
                 "bands": BANDS,
                 "modes": ALL_MODES,
-                "mode_types": MODE_TYPES,
+                "mode_types": [t.value for t in ModeType],
                 "sigs": SIGS,
                 "spot_providers": spot_providers,
                 "spot_providers_enabled_by_default": spot_providers_enabled_by_default,