Bug#903823: sympy/1.2-1 appears to break octave-symbolic/2.6.0-4 autopktest:

[Paul Gevers]

Source: sympy, octave-symbolic
Version: octave-symbolic/2.6.0-4
Version: sympy/1.2-1
User: debian-ci at lists.debian.org
Usertags: breaks needs-update

Dear maintainers,

With a recent upload of sympy the autopkgtest of octave-symbolic started
to fail in unstable and testing. I copied the error below.

Currently this regression is delaying the migration of sympy to testing
by 10 days. Could you please investigate the situation and determine
which package needs to fix something, and assign appropriately?

More information about this bug and the reason for filing it can be
found on
https://wiki.debian.org/ContinuousIntegration/RegressionEmailInformation

Paul

https://ci.debian.net/data/autopkgtest/testing/amd64/o/octave-symbolic/608079/log.gz

[inst/@sym/charpoly.m]
>>>>>
/tmp/autopkgtest-lxc.8_eda940/downtmp/build.9D6/src/inst/@sym/charpoly.m
***** test
 syms x
 A = sym([x x; x x]);
 assert( isequal( charpoly(A, x), -x^2))
!!!!! test failed
assert (isequal (charpoly (A, x), -x ^ 2)) failed
***** test
 syms x
 A = sym([1 2; 3 4]);
 assert( isequal( charpoly(A, x), x^2 - 5*x -2))
***** test
 syms x
 A = sym([x x; x x]);
 B = sym([1 -2*x 0]);
 assert( isequal( charpoly(A), B))
!!!!! test failed
assert (isequal (charpoly (A), B)) failed
***** xtest
 syms x
 A = sym([1 2; 3 4]);
 B = sym([1 -5 -2]);
 assert( isequal( charpoly(A), B))
!!!!! known failure
assert (isequal (charpoly (A), B)) failed
4 tests, 1 passed, 1 known failure, 0 skipped

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