On Wed, Jan 25, 2017 at 10:06 AM, Phil Mayers <p.mayers@imperial.ac.uk> wrote:

Related, see:

http://stackoverflow.com/questions/32139885/yield-in-list-comprehensions-and-generator-expressions

http://bugs.python.org/issue10544

Basically, don't use yield inside comprehensions if you don't want weirdness, AFAICT :o/

Yes, that's the exact issue!

Pointed out to me on the python-dev list:

https://mail.python.org/pipermail/python-dev/2017-January/147242.html

My vote is that this is a bug in Python.

Craig