diff --git a/inventory_provider/tasks/worker.py b/inventory_provider/tasks/worker.py
index ab2974a12c0943318a7d99761f054df8b833ab5a..9515ce7b30ca80f6e280e425baa002eed12513ce 100644
--- a/inventory_provider/tasks/worker.py
+++ b/inventory_provider/tasks/worker.py
@@ -2,7 +2,7 @@ import json
 import logging
 import re
 
-from celery import bootsteps, Task, group, states
+from celery import bootsteps, Task, states
 from celery.result import AsyncResult
 
 from collections import defaultdict
@@ -491,7 +491,7 @@ def launch_refresh_cache_all(config):
         break
 
     [x.get() for x in subtasks]
-    
+
     return [x.id for x in subtasks]