Fix Extension type inference

modules/extensions.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 import os
 from datetime import datetime
 import git
@@ -5,7 +6,7 @@ from modules import shared, errors
 from modules.paths import extensions_dir, extensions_builtin_dir
 
 
-extensions = []
+extensions: list[Extension] = []
 if not os.path.exists(extensions_dir):
     os.makedirs(extensions_dir)
 

modules/ui_extensions.py

@@ -29,8 +29,8 @@ sort_ordering = {
 }
 
 
-def get_installed(ext) -> extensions.Extension:
-    installed: extensions.Extension = [e for e in extensions.extensions if (e.remote or '').startswith(ext['url'].replace('.git', ''))]
+def get_installed(ext):
+    installed = [e for e in extensions.extensions if (e.remote or '').startswith(ext['url'].replace('.git', ''))]
     return installed[0] if len(installed) > 0 else None