Autogenerated type safety parameterisation of all methods

webserver/handlers/manifesthandler.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import tornado.web
 
 from core.config import BASE_URL
@@ -6,6 +8,6 @@ from core.config import BASE_URL
 class ManifestHandler(tornado.web.RequestHandler):
     """Handler for manifest.webmanifest, which needs BASE_URL inserted and a custom content-type"""
 
-    def get(self):
+    def get(self) -> None:
         self.set_header("Content-Type", "application/manifest+json; charset=UTF-8")
         self.render("manifest.webmanifest", baseurl=BASE_URL)