Use open() to write the bytecode

Author: stefanor

Lib/importlib/_bootstrap_external.py

@@ -208,8 +208,8 @@ def _write_atomic(path, data, mode=0o666):
     try:
         # We first write data to a temporary file, and then use os.replace() to
         # perform an atomic rename.
-        with _io.FileIO(fd, 'wb') as file, _io.BufferedWriter(file) as writer:
-            writer.write(data)
+        with _io.open(fd, 'wb') as file:
+            file.write(data)
         _os.replace(path_tmp, path)
     except OSError:
         try:

Misc/NEWS.d/next/Core_and_Builtins/2025-11-24-21-09-30.gh-issue-141930.hIIzSd.rst

@@ -1 +1 @@
-Use ``BufferedWriter`` to ensure that writes to ``.pyc`` files are retried, or an appropriate error is raised.
+Use Python's regular file object to ensure that writes to ``.pyc`` files are retried, or an appropriate error is raised.