Upgrade ipython to 7.20.0 and jedi to 0.18.0

[kliem]

This ticket upgrade ipython to 7.20.0 and jedi to 0.18.0.

This keeps the interactive shell from crashing when hitting tab completion after:

sage: P = polytopes.cube()
sage: P.f_vector(

Still an error is raised after this ticket, but the session restores itself.

Component: packages: standard

Author: Jonathan Kliem

Branch: 3b7d7e5

Reviewer: Matthias Koeppe

Issue created by migration from https://trac.sagemath.org/ticket/31373

[kliem]

Branch: public/31373

[kliem]

New commits:

3b7d7e5

upgrade jedi and ipython

[kliem]

Commit: 3b7d7e5

[kliem]

comment:2

Except for

sage -t --long --random-seed=0 src/sage/interfaces/singular.py  # Killed due to segmentation fault

all tests pass locally.

[kliem]

Reviewer: https://github.com/kliem/sage/pull/37/checks

[mkoeppe]

comment:4

This update seems fine.

[mkoeppe]

Changed reviewer from https://github.com/kliem/sage/pull/37/checks to Matthias Koeppe

[vbraun]

Changed branch from public/31373 to 3b7d7e5