pylint advice

login/app.py

@@ -170,25 +170,24 @@ def setrole(email, app_slug, role):
     :param app_slug: Slug name of the app, for example 'nextcloud'
     :param role: Role to assign. currently only 'admin', 'user'
     """
- 
+
     app.logger.info(f"Assiging role {role} to {email} for app {app_slug}")
 
     # Find user
     user = KratosUser.find_by_email(KRATOS_ADMIN, email)
 
-    if role != 'admin' and role != 'user':
+    if role not in ('admin', 'user'):
         print("At this point only the roles 'admin' and 'user' are accepted")
-        sys.exit(1)
-
+        return
 
     if not user:
         print("User not found. Abort")
-        sys.exit(1)
+        return
 
     app_obj = db.session.query(App).filter(App.slug==app_slug).first()
     if not app_obj:
         print("App not found. Abort.")
-        sys.exit(1)
+        return
 
     role_obj = db.session.query(AppRole).\
                     filter(AppRole.app_id==app_obj.id).\