--- a/contrib/import-checker.py	Thu Oct 31 17:24:18 2024 -0400
+++ b/contrib/import-checker.py	Mon Nov 04 17:42:30 2024 -0500
@@ -231,7 +231,7 @@
     yield 'importlib.machinery'  # python3 only
     yield 'importlib.util'  # python3 only
     yield 'packaging.version'
-    for m in 'fcntl', 'grp', 'pwd', 'termios':  # Unix only
+    for m in 'fcntl', 'grp', 'pwd', 'select', 'termios':  # Unix only
         yield m
     for m in 'cPickle', 'datetime':  # in Python (not C) on PyPy
         yield m