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It's probably worth noting here that this is to reflect an upstream 
rename from pep8 to pycodestyle, not an actual change in the library we 
use for style checking.  It's mentioned in the commit messages, but for 
anyone just scanning the mailing list it may not be obvious.

I left a review on the hacking change.  I think the comments there about 
shadowing the flake8 module name are valid and we should undo/fix that 
before merging.  Otherwise I'm +2.

On 12/04/2017 10:19 PM, Swapnil Kulkarni wrote:
> We have a change [1] out there which will remove pep8 and use
> pycodestyle in global requirements. For this change to be merged we
> need all dependent projects to use the same and check if they have any
> conflicts. We are waiting for [2] for hacking and [3] for tackerclient
> to be merged so that we can merge [1] into global requirements.
> 
> Requesting the cores in the hacking and tacker group to have a look
> into this and help us move further. Feel free to reply or drop by
> #openstack-requirements if you have any questions. Thanks in advance.
> 
> [1] https://review.openstack.org/#/c/514663/
> [2] https://review.openstack.org/#/c/514934/
> [3] https://review.openstack.org/#/c/517450/
>