refactor: class rename and code format

lnbits/app.py

@@ -27,8 +27,8 @@ from .core import core_app, core_app_extra
 from .core.services import check_admin_settings
 from .core.views.generic import core_html_routes
 from .helpers import (
-    EnabledExtensionMiddleware,
     Extension,
+    InstalledExtensionMiddleware,
     get_css_vendored,
     get_js_vendored,
     get_valid_extensions,
@@ -72,7 +72,7 @@ def create_app() -> FastAPI:
     )
 
     app.add_middleware(GZipMiddleware, minimum_size=1000)
-    app.add_middleware(EnabledExtensionMiddleware)
+    app.add_middleware(InstalledExtensionMiddleware)
 
     register_startup(app)
     register_assets(app)

lnbits/helpers.py

@@ -80,7 +80,7 @@ class ExtensionManager:
         return output
 
 
-class EnabledExtensionMiddleware:
+class InstalledExtensionMiddleware:
     def __init__(self, app: ASGIApp) -> None:
         self.app = app
 
@@ -97,14 +97,15 @@ class EnabledExtensionMiddleware:
         # re-route trafic if the extension has been upgraded
         upgraded_extensions = list(
             filter(
-                lambda ext: ext.endswith(f"/{pathname}"), g().config.LNBITS_UPGRADED_EXTENSIONS)
+                lambda ext: ext.endswith(f"/{pathname}"),
+                g().config.LNBITS_UPGRADED_EXTENSIONS,
             )
+        )
         if len(upgraded_extensions) != 0:
             upgrade_path = upgraded_extensions[0]
             tail = "/".join(rest)
             scope["path"] = f"/upgrades/{upgrade_path}/{tail}"
 
-
         await self.app(scope, receive, send)