diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1bb4e1d7d..403534473 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -2,8 +2,9 @@
   "[python]": {
     "editor.defaultFormatter": "ms-python.autopep8"
   },
-  "python.formatting.provider": "none",
+  "python.formatting.provider": "black",
   "editor.codeActionsOnSave": {
     "source.organizeImports": true
-  }
+  },
+  "python.linting.enabled": true
 }
diff --git a/backend/auth/auth_bearer.py b/backend/auth/auth_bearer.py
index 33a45886f..4fb051f05 100644
--- a/backend/auth/auth_bearer.py
+++ b/backend/auth/auth_bearer.py
@@ -25,7 +25,7 @@ class AuthBearer(HTTPBearer):
         elif not credentials:
             raise HTTPException(status_code=403, detail="Invalid authorization code.")
 
-    async def authenticate(self, token, commons):
+    async def authenticate(self, token: str, commons: CommonsDep):
         if os.environ.get("AUTHENTICATE") == "false":
             return self.get_test_user()
         elif verify_token(token):