diff --git a/zipp/compat/overlay.py b/zipp/compat/overlay.py
index 366d2d5..5a97ee7 100644
--- a/zipp/compat/overlay.py
+++ b/zipp/compat/overlay.py
@@ -15,8 +15,7 @@
 The ``zipfile`` object added to ``sys.modules`` needs to be
 hashable (#126).
 
->>> hash(sys.modules['zipp.compat.overlay.zipfile']) > 0
-True
+>>> _ = hash(sys.modules['zipp.compat.overlay.zipfile'])
 """
 
 import importlib