From 4e584a238bfb313c4fa0c9ae741aa6a29a2acf63 Mon Sep 17 00:00:00 2001
From: jiyujie2006 <49909156+jiyujie2006@users.noreply.github.com>
Date: Sun, 31 May 2026 15:06:58 +0800
Subject: [PATCH] Avoid runtime ParamType subscription

---
 src/flask/cli.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/flask/cli.py b/src/flask/cli.py
index d5f5ae93..26629d5c 100644
--- a/src/flask/cli.py
+++ b/src/flask/cli.py
@@ -7,7 +7,6 @@ import inspect
 import os
 import platform
 import re
-import ssl
 import sys
 import traceback
 import typing as t
@@ -26,6 +25,8 @@ from .helpers import get_debug_flag
 from .helpers import get_load_dotenv
 
 if t.TYPE_CHECKING:
+    import ssl
+
     from _typeshed.wsgi import StartResponse
     from _typeshed.wsgi import WSGIApplication
     from _typeshed.wsgi import WSGIEnvironment
@@ -776,7 +777,7 @@ def show_server_banner(debug: bool, app_import_path: str | None) -> None:
         click.echo(f" * Debug mode: {'on' if debug else 'off'}")
 
 
-class CertParamType(click.ParamType[str | os.PathLike[str] | ssl.SSLContext]):
+class CertParamType(click.ParamType):
     """Click option type for the ``--cert`` option. Allows either an
     existing file, the string ``'adhoc'``, or an import for a
     :class:`~ssl.SSLContext` object.