diff --git a/priority_queue.py b/priority_queue.py
index 6994ec7..9bc9135 100644
--- a/priority_queue.py
+++ b/priority_queue.py
@@ -10,11 +10,11 @@ def push(self, item, priority):
   def pop(self):
     if len(self.heap) > 1:
       self._swap(0, len(self.heap) - 1)
-      priority, item = self.heap.pop()
+      _, item = self.heap.pop()
       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