1 files changed, 2 insertions, 2 deletions
diff --git a/rq/worker.py b/rq/worker.py
index 0535c92..25b98e8 100644
--- a/rq/worker.py
+++ b/rq/worker.py
@@ -222,11 +222,11 @@ class Worker(object):
 
     def queue_names(self):
         """Returns the queue names of this worker's queues."""
-        return list(map(lambda q: q.name, self.queues))
+        return [queue.name for queue in self.queues]
 
     def queue_keys(self):
         """Returns the Redis keys representing this worker's queues."""
-        return list(map(lambda q: q.key, self.queues))
+        return [queue.key for queue in self.queues]
 
     @property
     def key(self):