--- a/tests/fsmonitor-run-tests.py	Wed Mar 05 22:33:11 2025 +0100
+++ b/tests/fsmonitor-run-tests.py	Wed Mar 05 23:02:19 2025 +0100
@@ -24,27 +24,21 @@
 
 osenvironb = getattr(os, 'environb', os.environ)
 
-if sys.version_info > (3, 5, 0):
-    PYTHON3 = True
+# Don't compare sys.version_info directly, to prevent pyupgrade from dropping
+# the conditional.
+sys_version_info = sys.version_info
+
+if sys_version_info >= (3, 8, 0):
 
     def _sys2bytes(p):
         return p.encode('utf-8')
 
-elif sys.version_info >= (3, 0, 0):
+else:
     print(
-        '%s is only supported on Python 3.5+ and 2.7, not %s'
+        '%s is only supported on Python 3.8+, not %s'
         % (sys.argv[0], '.'.join(str(v) for v in sys.version_info[:3]))
     )
     sys.exit(70)  # EX_SOFTWARE from `man 3 sysexit`
-else:
-    PYTHON3 = False
-
-    # In python 2.x, path operations are generally done using
-    # bytestrings by default, so we don't have to do any extra
-    # fiddling there. We define the wrapper functions anyway just to
-    # help keep code consistent between platforms.
-    def _sys2bytes(p):
-        return p
 
 
 def getparser():