patcher: no os.register_at_fork on Windows (#654)

#644 Eventlet 0.27.0 and 0.28.0 were incompatible with Windows (and other non-Unix) platforms
eventlet · Oct 19, 2020 · f227ef6 · f227ef6
1 parent f2ebbb8
commit f227ef6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/eventlet/patcher.py b/eventlet/patcher.py
@@ -313,9 +313,9 @@ def monkey_patch(**on):
                 if hasattr(orig_mod, attr_name):
                     delattr(orig_mod, attr_name)
 
-            if name == 'threading' and sys.version_info >= (3, 7):
+            _os = original('os')
+            if name == 'threading' and hasattr(_os, 'register_at_fork'):
                 def fix_threading_active(
-                    _os=original('os'),
                     _global_dict=original('threading').current_thread.__globals__,
                     _patched=orig_mod
                 ):