Replace imports from sage.*.all by more specific imports in combinat

[fchapoton]

as it breaks the linter..

Depends on #32989
Depends on #32999
Depends on #33007

CC: @mkoeppe

Component: combinatorics

Author: Frédéric Chapoton

Branch/Commit: 9018e5c

Reviewer: Matthias Koeppe

Issue created by migration from https://trac.sagemath.org/ticket/33146

[fchapoton]

Commit: 4d5be9a

[fchapoton]

New commits:

9b329d5	some more specific imports in combinat
4d5be9a	a few more precise imports in combinat

[fchapoton]

Branch: u/chapoton/33146

[mkoeppe]

Dependencies: #32989, #32999, #33007

[mkoeppe]

comment:2

Conflicts with #32999

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. This was a forced push. New commits:

[sagetrac-git]

Changed commit from 4d5be9a to 9b329d5

[fchapoton]

comment:4

better now ?

[mkoeppe]

comment:5

I see a lot of ...site-packages/sage/sets/non_negative_integers.py:83: UserWarning: Resolving lazy import FacadeSets during startup\n Parent.__init__(self, facade = ZZ, category = InfiniteEnumeratedSets().or_subcategory(category) ) when I test this, haven't seen this before (but I'm testing it on top of some other tickets)

[mkoeppe]

comment:6

Also seen in the patchbot report

[sagetrac-git]

Changed commit from 9b329d5 to 750af3d

[sagetrac-git]

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

750af3d

modified imports of NN in combinat

[fchapoton]

comment:8

let us try again

[fchapoton]

comment:9

green bot, so please review

[mkoeppe]

Reviewer: Matthias Koeppe

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1 and set ticket back to needs_review. New commits:

9018e5c

Merge branch 'u/chapoton/33146' in 9.6.beta0

[sagetrac-git]

Changed commit from 750af3d to 9018e5c

[fchapoton]

comment:13

trivial rebase, setting back to positive

[vbraun]

Changed branch from u/chapoton/33146 to 9018e5c