diff --git a/priority_queue.py b/priority_queue.py
index e192908..9bc9135 100644
--- a/priority_queue.py
+++ b/priority_queue.py
@@ -14,7 +14,7 @@ def pop(self):
       self._sift_down(0)
       return item
     elif len(self.heap) == 1:
-      priority, item = self.heap.pop()
+      _, item = self.heap.pop()
       return item
     else:
       return None