test wss

app.py

@@ -1,7 +1,7 @@
 import os
+import prefix
 from flask import Flask, render_template
 from flask_sock import Sock
-from . import prefix
 
 app = Flask(__name__, )
 sock = Sock(app)

templates/index.html

@@ -18,7 +18,7 @@
 				).innerHTML += `<span style="color: ${color}">${text}</span><br>`;
 			};
 
-			const socket = new WebSocket("ws://" + location.host + "/echo");
+			const socket = new WebSocket("wss://" + location.host + "/echo/");
 			socket.addEventListener("message", (ev) => {
 				log("<<< " + ev.data, "blue");
 			});