commit c71ae1a45bd6e6d0f5aebc470b35f5a7dc0d8078
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Thu Aug 29 02:02:51 2019 -0700
committer Raymond Hettinger <rhettinger@users.noreply.github.com> Thu Aug 29 02:02:51 2019 -0700
tree 1e89af5c38142e19f260f1490423baa9ecf1f32e
parent 0d45d50e421b46b56195821580c3760b43813106

bpo-36743: __get__ is sometimes called without the owner argument (GH-12992) (GH-15589)

(cherry picked from commit 0dac68f1e593c11612ed54af9edb865d398f3b05)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>

Tools/demo/eiffel.py

diff --git a/Tools/demo/eiffel.py b/Tools/demo/eiffel.py
index 736abea..a76c232 100755
--- a/Tools/demo/eiffel.py
+++ b/Tools/demo/eiffel.py
@@ -78,7 +78,7 @@
         self.__name__ = func.__name__
         self.__doc__ = func.__doc__
 
-    def __get__(self, obj, cls):
+    def __get__(self, obj, cls=None):
         return EiffelMethodWrapper(obj, self)
 
     def callmethod(self, inst, args, kwargs):