Update main.py

main.py

@@ -92,7 +92,7 @@ def authenticate(authorization: str = Header(None)):
     print("scheme, credentials ",authorization)
     try:
         scheme, credentials = authorization.split()
-        print("scheme="+scheme.lower," credentials="+credentials)
+        print("scheme="+scheme.lower+" credentials="+credentials)
         if scheme.lower != 'basic':
             raise HTTPException(status_code=401, detail="Utilisateur non authorisé "+scheme)
         username, password = credentials.split(":")