gh-39337: a few fixes for ruff PLC · vbraun/sage@4bb50a1

Test all files (sage -t --long src/sage/[g-o]*): src/sage/matrix/matrix_gap.pyx#L66

Failed example:: Got: Failure in _test_monomial_coefficients: Traceback (most recent call last): File "/sage/src/sage/misc/sage_unittest.py", line 298, in run test_method(tester=tester) File "/sage/src/sage/categories/modules_with_basis.py", line 1498, in _test_monomial_coefficients tester.assertEqual(self, self.parent().linear_combination( File "/sage/src/sage/categories/modules.py", line 630, in linear_combination return self.sum(coeff * element File "/sage/src/sage/categories/additive_monoids.py", line 72, in sum return sum(args, self.zero()) File "sage/structure/element.pyx", line 1219, in sage.structure.element.Element.__add__ return (<Element>left)._add_(right) File "sage/matrix/matrix_gap.pyx", line 296, in sage.matrix.matrix_gap.Matrix_gap._add_ ans._libgap = left._libgap + (<Matrix_gap> right)._libgap File "sage/structure/element.pyx", line 1219, in sage.structure.element.Element.__add__ return (<Element>left)._add_(right) File "sage/libs/gap/element.pyx", line 990, in sage.libs.gap.element.GapElement._add_ sig_on() sage.libs.gap.util.GAPError: Error, no method found! Error, no 1st choice method found for `+' on 2 arguments ------------------------------------------------------------ The following tests failed: _test_monomial_coefficients Failure in _test_elements The following tests failed: _test_elements

Test all files (sage -t --long src/sage/[g-o]*)

Process completed with exit code 1.