From f299abdafa0f2b6eb7abae274861b19b361c96bc Mon Sep 17 00:00:00 2001
From: Brett Cannon <brett@python.org>
Date: Mon, 13 Apr 2015 14:21:02 -0400
Subject: Issue #23731: Implement PEP 488.

The concept of .pyo files no longer exists. Now .pyc files have an
optional `opt-` tag which specifies if any extra optimizations beyond
the peepholer were applied.
---
 Lib/tracemalloc.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Lib/tracemalloc.py')

diff --git a/Lib/tracemalloc.py b/Lib/tracemalloc.py
index adedfc5fb44..6288da8409c 100644
--- a/Lib/tracemalloc.py
+++ b/Lib/tracemalloc.py
@@ -297,7 +297,7 @@ class _Traces(Sequence):
 
 def _normalize_filename(filename):
     filename = os.path.normcase(filename)
-    if filename.endswith(('.pyc', '.pyo')):
+    if filename.endswith('.pyc'):
         filename = filename[:-1]
     return filename
 
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