diff --git a/lnbits/core/views/api.py b/lnbits/core/views/api.py
index 373c7bd5..6d6c3735 100644
--- a/lnbits/core/views/api.py
+++ b/lnbits/core/views/api.py
@@ -825,7 +825,6 @@ async def api_install_extension(
         await update_user_extension(user_id=USER_ID_ALL, extension=ext_id, active=False)
         settings.lnbits_disabled_extensions += [ext_id]
 
-        
         if module_installed:
             # update upgraded extensions list if module already installed
             ext_temp_path = f"{ext.hash}/{ext.code}"
@@ -889,7 +888,9 @@ async def api_uninstall_extension(ext_id: str, user: User = Depends(check_user_e
         settings.lnbits_disabled_extensions += [ext_id]
 
         # remove downloaded archive
-        ext_zip_file = os.path.join(settings.lnbits_data_folder, "extensions", f"{ext_id}.zip")
+        ext_zip_file = os.path.join(
+            settings.lnbits_data_folder, "extensions", f"{ext_id}.zip"
+        )
         if os.path.isfile(ext_zip_file):
             os.remove(ext_zip_file)
 
diff --git a/lnbits/settings.py b/lnbits/settings.py
index 80680d5f..a48bfc54 100644
--- a/lnbits/settings.py
+++ b/lnbits/settings.py
@@ -43,6 +43,7 @@ class UsersSettings(LNbitsSettings):
     lnbits_extensions_manifests: List[str] = Field(default=[])
     lnbits_upgraded_extensions: List[str] = Field(default=[])
 
+
 class ThemesSettings(LNbitsSettings):
     lnbits_site_title: str = Field(default="LNbits")
     lnbits_site_tagline: str = Field(default="free and open-source lightning wallet")