On Sun, May 29, 2011 at 10:28 AM, Albert Hopkins <mar...@letterboxes.org> wrote: > This is the same nan, so it is equal to itself. >
Actually, they're not. But it's possible the dictionary uses an 'is' check to save computation, and if one thing 'is' another, it is assumed to equal it. That's true of most well-behaved objects, but nan is not well-behaved :) Chris Angelico -- http://mail.python.org/mailman/listinfo/python-list
