Assets jsou kešovatelné

Pokud neuvedeme explicitní expiraci, Flask 2.x posílá "Pragma: no-cache".

mo/ext/assets.py

@@ -59,4 +59,4 @@ class Assets:
         return os.path.join(request.script_root + self.url_prefix, self.asset_dict[name], name)
 
     def send_asset(self, name: str):
-        return send_from_directory(self.asset_folder, name)
+        return send_from_directory(self.asset_folder, name, max_age=8640000)