From 4d372cb160b28cef260ba9d0423b2af9356d38ee Mon Sep 17 00:00:00 2001
From: Alex Willmer <alex@moreati.org.uk>
Date: Tue, 13 Jan 2026 15:45:30 +0000
Subject: [PATCH] mitogen: Last few `except ImportError` -> `if
 sys.version_info ...`

---
 ansible_mitogen/process.py | 4 ++--
 docs/changelog.rst         | 3 +++
 mitogen/master.py          | 9 ++++-----
 3 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/ansible_mitogen/process.py b/ansible_mitogen/process.py
index 897ef4f0..5ef03c46 100644
--- a/ansible_mitogen/process.py
+++ b/ansible_mitogen/process.py
@@ -38,9 +38,9 @@ import socket
 import signal
 import sys
 
-try:
+if sys.version_info >= (3, 3):
     import faulthandler
-except ImportError:
+else:
     faulthandler = None
 
 try:
diff --git a/docs/changelog.rst b/docs/changelog.rst
index 6be75a42..95131afb 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -21,6 +21,9 @@ To avail of fixes in an unreleased version, please download a ZIP file
 In progress (unreleased)
 ------------------------
 
+* :gh:issue:`1415` :mod:`mitogen`: Put fallbacks & polyfills into
+  ``if sys.version_info`` blocks
+
 
 v0.3.37 (2026-01-08)
 --------------------
diff --git a/mitogen/master.py b/mitogen/master.py
index d864ae6f..03c89771 100644
--- a/mitogen/master.py
+++ b/mitogen/master.py
@@ -68,15 +68,14 @@ else:
     import imp
     from imp import is_builtin as _is_builtin
 
-    try:
+    if sys.version_info >= (2, 5):
         from pkgutil import find_loader as _find_loader
-    except ImportError:
-        # Python < 2.5
+    else:
         from mitogen.compat.pkgutil import find_loader as _find_loader
 
-try:
+if sys.version_info >= (2, 7):
     import sysconfig
-except ImportError:
+else:
     sysconfig = None
 
 import mitogen