human
I am working on the file "PyConFr2017.ipynb".
The first task is:
Test de robustesse n°1
Can you write Python program for it?
 Give me a the Python program you requested?
assistant
#Here is the Python program you requested.

class Hole(object):
    def __iter__(self, _):
        pass
    
h = Hole()
check_iterable(h)