SageMath version 9.7.beta1, Release Date: 2022-05-26

Follow-up to #33216: We can compute `.formal()[1]` directly, i.e.,
without going through `.forma...

The documentation of `power_mod()` in `sage/arith/misc.py` currently
says:

Return the `n`-t...

One probably expects that casting ZZ[x] to Qp[x] is at least as fast as
casting QQ[x] to Q[x].
T...

We try to avoid as much as possible operations like
`[g.vertices().index(v) for v in g.vertices(...

fixing a bunch of pycodestyle details

and also some lgtm recommendations

URL: https://trac.sag...

URL: https://trac.sagemath.org/33954
Reported by: chapoton
Ticket author(s): Frédéric Chapoton
R...

namely:

empty line before nested def

URL: https://trac.sagemath.org/33948
Reported by: chapoto...

Now that temporary files are created in the `/tmp` folder (after
#33797), the following is now b...

On Ubuntu 20.04 + `SageMath version 9.7.beta1, Release Date: 2022-05-26
`, the command

{{{
sage...

Failing example:

{{{#!sage
K.<u> = GF(23^4)
L.<v> = K.extension(5)
assert L(u).minpoly() == u.m...

see #33934 for the combinat case

URL: https://trac.sagemath.org/33935
Reported by: chapoton
Tic...

here in the files with many occurrences

URL: https://trac.sagemath.org/33934
Reported by: chapo...

New versions of FP(y)LLL that should work with Python 3.11

URL: https://trac.sagemath.org/33913...

For `9.7.beta0` when building the pdf documentation I have
{{{
Latexmk: List of undefined refs a...

We run pytest for doctests in the build & test github workflow for
branches that contain "pytest...

On Debian, package `python3-venv` needs to be installed to un-sabotage
python3.

Needed in #3381...

Make the direct sum of matroids more accessible to users via a
`Matroid.direct_sum()` method.

U...

Taking trace of O(p^prec) in p-adic extensions fails:

Eisenstein extension:

{{{
sage: F=Qp(2)
...

The distribution '''sagemath-environment''' has no dependencies and
contains:
- `sage.env`
- `...

{{{
sage: R.<a> = Zp(2).extension(x^10 + 2)
sage: x = R(a^4 + a^5)
sage: y = R(a^2 + a^3)
sage: ...

#12657 introduced an error in the computation of the geometric
Frobenius, uncaught since there a...

There is no reason for quickref and tutorial to be in the global
namespace. All we need is to be...