From dffb90911a585a0921664c8b1c229d0883e65ee7 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <rhettinger@users.noreply.github.com>
Date: Mon, 2 Dec 2024 20:45:36 -0600
Subject: Speed-up lazy heapq import in collections (gh-127538)

---
 Lib/collections/__init__.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Lib/collections/__init__.py b/Lib/collections/__init__.py
index d688141..78229ac 100644
--- a/Lib/collections/__init__.py
+++ b/Lib/collections/__init__.py
@@ -59,6 +59,8 @@ try:
 except ImportError:
     pass
 
+heapq = None  # Lazily imported
+
 
 ################################################################################
 ### OrderedDict
@@ -633,7 +635,10 @@ class Counter(dict):
             return sorted(self.items(), key=_itemgetter(1), reverse=True)
 
         # Lazy import to speedup Python startup time
-        import heapq
+        global heapq
+        if heapq is None:
+            import heapq
+
         return heapq.nlargest(n, self.items(), key=_itemgetter(1))
 
     def elements(self):
-- 
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