diff --git a/lib/galaxy/jobs/runners/aws.py b/lib/galaxy/jobs/runners/aws.py
index 9831cc42950e..5f301b078975 100644
--- a/lib/galaxy/jobs/runners/aws.py
+++ b/lib/galaxy/jobs/runners/aws.py
@@ -37,9 +37,8 @@
 
 try:
     import boto3
-
 except ImportError as e:
-    boto3 = None
+    boto3 = None  # type: ignore[assignment]
     BOTO3_IMPORT_MSG.format(msg=unicodify(e))