diff --git a/mozci/sources/taskcluster_.py b/mozci/sources/taskcluster_.py
index 3150b75..2d9eb11 100644
--- a/mozci/sources/taskcluster_.py
+++ b/mozci/sources/taskcluster_.py
@@ -5,7 +5,6 @@
 import datetime
 import json
 import logging
-import sys
 import traceback
 
 import taskcluster as taskcluster_client
@@ -66,7 +65,6 @@ def retrigger_task(task_id, dry_run=False):
         else:
             LOG.info("Dry-run mode: Nothing was retriggered.")
 
-
     except taskcluster_client.exceptions.TaskclusterRestFailure as e:
         traceback.print_exc()
         new_task_id = -1