On Wed, Nov 23, 2016 at 2:14 PM, Nathan Ernst <nathan.er...@gmail.com> wrote: > I was not aware of that PEP. > > The logic in my function is exactly as desired, so to squelch the warning, > I merely wrapped the iteration in a try/except: > > def adjacent_difference(seq, selector=identity): > i = iter(seq) > l = selector(next(i)) > try: > while True: > r = selector(next(i)) > yield r - l > l = r > except StopIteration: > return
You'll probably want to move the 'try' up one line - unless you want an exception if the sequence is empty. And it's exactly this kind of ambiguity that this change helps to catch. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
