use Py_NE, PY_EQ, etc in richcmp in cython files

[chapoton]

for clarity of rich comparison code, instead of using numbers (2 for ==, etc) use the shorthands Py_NE etc

[chapoton]

wait for the bots

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New commits:

​5bcd77e

for clarity of code, use Py_EQ, Py_NE, etc, in rich comparison

[git]

Branch pushed to git repo; I updated commit sha1. New commits:

​64c9d2a

trac 22517 minimize imports

[aapitzsch]

Please remove the comments # != etc. They aren't helpful.

[git]

Branch pushed to git repo; I updated commit sha1. New commits:

​752a1ae

trac 22517 remove now superflous comments

[chapoton]

done, let us wait for the bots again

[aapitzsch]

Replying to chapoton:

done, let us wait for the bots again

Thanks.

Ticket can be set to positive review if bot is green.

[chapoton]

Thanks for the review, André.

green bot, setting to positive