Basic auth seems to be broken after 1.4.2

Panel
1

Basic auth stopped working starting at 1.4.3
auth-test.py

import datetime
import tornado
from tornado.web import RequestHandler

# could define get_user_async instead
def get_user(request_handler):
    return request_handler.get_cookie("user")

# could also define get_login_url function (but must give up LoginHandler)
login_url = "/login"

class LoginHandler(RequestHandler):

    def get(self):
        try:
            errormessage = self.get_argument("error")
        except Exception:
            errormessage = ""
        self.render("login.html", errormessage=errormessage)

    def check_permission(self, username, password):
        if username == "testuser" and password == "password":
            return True
        return False

    def post(self):
        username = self.get_argument("username", "")
        password = self.get_argument("password", "")
        auth = self.check_permission(username, password)
        if auth:
            self.set_current_user(username)
            self.redirect("/")
            login_status = "successful"
        else:
            error_msg = "?error=" + \
                tornado.escape.url_escape("Login incorrect")
            login_status = "failed"
            self.redirect(login_url + error_msg)
        
    def set_current_user(self, user):
        if user:
            self.set_cookie(
                "user",
                tornado.escape.json_encode(user),
                expires_days=0.3
            )
        else:
            self.clear_cookie("user")

# optional logout_url, available as curdoc().session_context.logout_url
logout_url = "/logout"

# optional logout handler for logout_url
class LogoutHandler(RequestHandler):

    def get(self):
        self.clear_cookie("user")
        self.redirect("/")

login.html

<!doctype html>
<html>
  <head>
    <title>Test Login</title>
    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }
      html {
        height: 100%;
      }
      body {
        font-family: "Segoe UI", sans-serif;
        font-size: 1rem;
        line-height: 1.6;
        height: 100%;
      }
      .wrap {
        width: 100%;
        height: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        background: #fafafa;
      }
      .login-form {
        width: 350px;
        margin: 0 auto;
        border: 1px solid #ddd;
        padding: 2rem;
        background: #ffffff;
      }
      .form-input {
        background: #fafafa;
        border: 1px solid #eeeeee;
        padding: 12px;
        width: 100%;
      }
      .form-group {
        margin-bottom: 1rem;
      }
      .form-button {
        background: #69d2e7;
        border: 1px solid #ddd;
        color: #ffffff;
        padding: 10px;
        width: 100%;
        text-transform: uppercase;
      }
      .form-button:hover {
        background: #69c8e7;
      }
      .form-header {
        text-align: center;
        margin-bottom: 2rem;
      }
      .form-footer {
        text-align: center;
      }
    </style>
  </head>
  <body>
    <div class="wrap">
      <form class="login-form" action="/login" method="post">
        {% module xsrf_form_html() %}
        <div class="form-header">
          <p>Login to access dashboard</p>
        </div>
        <!--Email Input-->
        <div class="form-group">
          <input
            name="username"
            type="text"
            class="form-input"
            autocapitalize="off"
            autocorrect="off"
            placeholder="username"
          />
        </div>
        <!--Password Input-->
        <div class="form-group">
          <input
            name="password"
            type="password"
            class="form-input"
            placeholder="password"
          />
        </div>
        <!--Login Button-->
        <div class="form-group">
          <button class="form-button" type="submit">Login</button>
        </div>
        <span class="errormessage">{{errormessage}}</span>
      </form>
    </div>
  </body>
</html>

test_login.py

import panel as pn

pn.extension()

pn.panel("Hello World").servable()

panel serve test_login.py --auth-module=auth-test.py

Works up until panel 1.4.2
For panel 1.4.3 and 1.4.4:

image
image3124×774 311 KB