Remove some imports from sage.rings.all

[mkoeppe]

Component: refactoring

Author: Matthias Koeppe

Branch/Commit: 759b0dd

Reviewer: Marc Mezzarobba, Michael Orlitzky

Issue created by migration from https://trac.sagemath.org/ticket/33000

[mkoeppe]

Branch: u/mkoeppe/remove_imports_from_sage_rings_all

[mkoeppe]

Commit: 0a14b55

[mkoeppe]

New commits:

b4791ab	git grep -l 'rings[.]all import' | xargs sed -i.bak 's/rings[.]all import PolynomialRing/rings.polynomial.polynomial_ring_constructor import PolynomialRing/'
cfe563c	Fix up imports
0a14b55	Remove imports from sage.rings.all

[mkoeppe]

Author: Matthias Koeppe

[mezzarobba]

Reviewer: Marc Mezzarobba

[mkoeppe]

comment:4

Thank you

[sagetrac-git]

Changed commit from 0a14b55 to e197a91

[sagetrac-git]

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

e197a91

Merge tag '9.5.beta9' into t/33000/remove_imports_from_sage_rings_all

[orlitzky]

Changed reviewer from Marc Mezzarobba to Marc Mezzarobba, Michael Orlitzky