diff --git a/bitbake/lib/bb/runqueue.py b/bitbake/lib/bb/runqueue.py
index 0a4d155466..792b91a11c 100644
--- a/bitbake/lib/bb/runqueue.py
+++ b/bitbake/lib/bb/runqueue.py
@@ -1061,7 +1061,7 @@ class RunQueueData:
 
         # Create a whitelist usable by the stamp checks
         self.stampfnwhitelist = {}
-        for mc in self.taskData: 
+        for mc in self.taskData:
             self.stampfnwhitelist[mc] = []
             for entry in self.stampwhitelist.split():
                 if entry not in self.taskData[mc].build_targets: