human
Can you provide a the Python program you requested given the following:
Complete the below
def iterable_middleware(app):

    ''''Guarantee that the app returns an iterable'
    '''
assistant
#Here is the Python program you requested.
    def inner(environ, start_response):
        rv = app(environ, start_response)
        class Iterable(object, ):
            def __iter__(self):
                return iter(rv)
            if hasattr(rv, 'close'):
                def close(self):
                    rv.close()
        return Iterable()
    return inner