On Debian testing running non core i5 + 8 GB RAM, upgrading 9.7 to 
9.8.beta1 leads to one permanent failure :

charpent@p-202-021:/usr/local/sage-9$ sage -t --long --warn-long 71.5 
--random-seed=235639103432015518813565380515311711383 
src/sage/algebras/quantum_groups/quantum_group_gap.py
Running doctests with ID 2022-09-30-13-01-03-1822d6c3.
Git branch: develop
Git ref: 9.8.beta1
Running with SAGE_LOCAL='/usr/local/sage-9/local' and 
SAGE_VENV='/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5'
Using 
--optional=debian,dot2tex,fricas,gap_packages,libsemigroups,pip,sage,sage_spkg
Features to be detected: 
4ti2,benzene,bliss,buckygen,conway_polynomials,csdp,database_cremona_ellcurve,database_cremona_mini_ellcurve,database_cubic_hecke,database_jones_numfield,database_knotinfo,dvipng,gfan,graphviz,imagemagick,jupymake,kenzo,latte_int,lrslib,mcqd,meataxe,msolve,nauty,palp,pandoc,pdf2svg,pdftocairo,phitigra,plantri,polytopes_db,polytopes_db_4d,pynormaliz,python_igraph,rubiks,sage.combinat,sage.geometry.polyhedron,sage.graphs,sage.groups,sage.misc.cython,sage.plot,sage.rings.number_field,sage.rings.padics,sage.rings.real_double,sage.symbolic,sage_numerical_backends_coin,sagemath_doc_html,sphinx,tdlib
Doctesting 1 file.
sage -t --long --warn-long 71.5 
--random-seed=235639103432015518813565380515311711383 
src/sage/algebras/quantum_groups/quantum_group_gap.py
**********************************************************************
File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 1812, in 
sage.algebras.quantum_groups.quantum_group_gap.TensorProductOfHighestWeightModules.__init__
Failed example:
    TestSuite(T).run()  # optional - gap_packages
Expected nothing
Got:
    doctest:warning
      File "/usr/local/sage-9/src/bin/sage-runtests", line 154, in <module>
        err = DC.run()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1384, in run
        self.run_doctests()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1059, in 
run_doctests
        self.dispatcher.dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2021, in 
dispatch
        self.parallel_dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1916, in 
parallel_dispatch
        w.start()  # This might take some time
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2190, in start
        super().start()
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 121, in start
        self._popen = self._Popen(self)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 277, in _Popen
        return Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 19, in __init__
        self._launch(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 315, in _bootstrap
        self.run()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2162, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2492, in 
__call__
        doctests, extras = self._run(runner, options, results)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2544, in _run
        result = runner.run(test)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 866, in run
        return self._run(test, compileflags, out)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 695, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1093, in 
compile_and_execute
        exec(compiled, globs)
      File "<doctest 
sage.algebras.quantum_groups.quantum_group_gap.TensorProductOfHighestWeightModules.__init__[3]>",
 line 1, in <module>
        TestSuite(T).run()  # optional - gap_packages
      File "/usr/local/sage-9/src/sage/misc/sage_unittest.py", line 297, in run
        test_method(tester=tester)
      File "/usr/local/sage-9/src/sage/categories/sets_cat.py", line 1527, in 
_test_construction
        FO = self.construction()
      File "/usr/local/sage-9/src/sage/categories/modules.py", line 948, in 
construction
        deprecation(34393, "implementations of Modules().TensorProducts() now 
must define the method tensor_factors")
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 99, in 
deprecation
        warning(trac_number, message, DeprecationWarning, stacklevel)
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 180, in warning
        warn(message, warning_class, stacklevel)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/warnings.py",
 line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: implementations of Modules().TensorProducts() now must 
define the method tensor_factors
    See https://trac.sagemath.org/34393 for details.
    doctest:warning
      File "/usr/local/sage-9/src/bin/sage-runtests", line 154, in <module>
        err = DC.run()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1384, in run
        self.run_doctests()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1059, in 
run_doctests
        self.dispatcher.dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2021, in 
dispatch
        self.parallel_dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1916, in 
parallel_dispatch
        w.start()  # This might take some time
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2190, in start
        super().start()
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 121, in start
        self._popen = self._Popen(self)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 277, in _Popen
        return Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 19, in __init__
        self._launch(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 315, in _bootstrap
        self.run()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2162, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2492, in 
__call__
        doctests, extras = self._run(runner, options, results)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2544, in _run
        result = runner.run(test)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 866, in run
        return self._run(test, compileflags, out)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 695, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1093, in 
compile_and_execute
        exec(compiled, globs)
      File "<doctest 
sage.algebras.quantum_groups.quantum_group_gap.TensorProductOfHighestWeightModules.__init__[3]>",
 line 1, in <module>
        TestSuite(T).run()  # optional - gap_packages
      File "/usr/local/sage-9/src/sage/misc/sage_unittest.py", line 297, in run
        test_method(tester=tester)
      File "/usr/local/sage-9/src/sage/categories/sets_cat.py", line 1172, in 
_test_elements
        TestSuite(an_element).run(verbose=tester._verbose,
      File "/usr/local/sage-9/src/sage/misc/sage_unittest.py", line 297, in run
        test_method(tester=tester)
      File 
"/usr/local/sage-9/src/sage/algebras/quantum_groups/quantum_group_gap.py", line 
1603, in _element_constructor_
        return self._from_dict(elt)
      File "/usr/local/sage-9/src/sage/categories/modules_with_basis.py", line 
1273, in _from_dict
        return self.sum(temp[i] * B[i] for i in temp)
      File "/usr/local/sage-9/src/sage/categories/additive_monoids.py", line 
71, in sum
        return sum(args, self.zero())
      File "/usr/local/sage-9/src/sage/categories/modules_with_basis.py", line 
1273, in <genexpr>
        return self.sum(temp[i] * B[i] for i in temp)
      File "/usr/local/sage-9/src/sage/categories/pushout.py", line 4320, in 
pushout
        R_tower = construction_tower(R)
      File "/usr/local/sage-9/src/sage/categories/pushout.py", line 4657, in 
construction_tower
        c = R.construction()
      File "/usr/local/sage-9/src/sage/categories/modules.py", line 948, in 
construction
        deprecation(34393, "implementations of Modules().TensorProducts() now 
must define the method tensor_factors")
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 99, in 
deprecation
        warning(trac_number, message, DeprecationWarning, stacklevel)
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 180, in warning
        warn(message, warning_class, stacklevel)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/warnings.py",
 line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: implementations of Modules().TensorProducts() now must 
define the method tensor_factors
    See https://trac.sagemath.org/34393 for details.
**********************************************************************
File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 1934, in 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.__init__
Failed example:
    TestSuite(S).run()  # optional - gap_packages
Expected nothing
Got:
    doctest:warning
      File "/usr/local/sage-9/src/bin/sage-runtests", line 154, in <module>
        err = DC.run()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1384, in run
        self.run_doctests()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1059, in 
run_doctests
        self.dispatcher.dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2021, in 
dispatch
        self.parallel_dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1916, in 
parallel_dispatch
        w.start()  # This might take some time
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2190, in start
        super().start()
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 121, in start
        self._popen = self._Popen(self)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 277, in _Popen
        return Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 19, in __init__
        self._launch(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 315, in _bootstrap
        self.run()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2162, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2492, in 
__call__
        doctests, extras = self._run(runner, options, results)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2544, in _run
        result = runner.run(test)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 866, in run
        return self._run(test, compileflags, out)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 695, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1093, in 
compile_and_execute
        exec(compiled, globs)
      File "<doctest 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.__init__[4]>",
 line 1, in <module>
        TestSuite(S).run()  # optional - gap_packages
      File "/usr/local/sage-9/src/sage/misc/sage_unittest.py", line 297, in run
        test_method(tester=tester)
      File "/usr/local/sage-9/src/sage/categories/sets_cat.py", line 1527, in 
_test_construction
        FO = self.construction()
      File "/usr/local/sage-9/src/sage/categories/modules.py", line 948, in 
construction
        deprecation(34393, "implementations of Modules().TensorProducts() now 
must define the method tensor_factors")
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 99, in 
deprecation
        warning(trac_number, message, DeprecationWarning, stacklevel)
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 180, in warning
        warn(message, warning_class, stacklevel)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/warnings.py",
 line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: implementations of Modules().TensorProducts() now must 
define the method tensor_factors
    See https://trac.sagemath.org/34393 for details.
    doctest:warning
      File "/usr/local/sage-9/src/bin/sage-runtests", line 154, in <module>
        err = DC.run()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1384, in run
        self.run_doctests()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1059, in 
run_doctests
        self.dispatcher.dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2021, in 
dispatch
        self.parallel_dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1916, in 
parallel_dispatch
        w.start()  # This might take some time
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2190, in start
        super().start()
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 121, in start
        self._popen = self._Popen(self)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 277, in _Popen
        return Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 19, in __init__
        self._launch(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 315, in _bootstrap
        self.run()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2162, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2492, in 
__call__
        doctests, extras = self._run(runner, options, results)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2544, in _run
        result = runner.run(test)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 866, in run
        return self._run(test, compileflags, out)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 695, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1093, in 
compile_and_execute
        exec(compiled, globs)
      File "<doctest 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.__init__[4]>",
 line 1, in <module>
        TestSuite(S).run()  # optional - gap_packages
      File "/usr/local/sage-9/src/sage/misc/sage_unittest.py", line 297, in run
        test_method(tester=tester)
      File "/usr/local/sage-9/src/sage/categories/sets_cat.py", line 1172, in 
_test_elements
        TestSuite(an_element).run(verbose=tester._verbose,
      File "/usr/local/sage-9/src/sage/misc/sage_unittest.py", line 297, in run
        test_method(tester=tester)
      File 
"/usr/local/sage-9/src/sage/algebras/quantum_groups/quantum_group_gap.py", line 
1603, in _element_constructor_
        return self._from_dict(elt)
      File "/usr/local/sage-9/src/sage/categories/modules_with_basis.py", line 
1273, in _from_dict
        return self.sum(temp[i] * B[i] for i in temp)
      File "/usr/local/sage-9/src/sage/categories/additive_monoids.py", line 
71, in sum
        return sum(args, self.zero())
      File "/usr/local/sage-9/src/sage/categories/modules_with_basis.py", line 
1273, in <genexpr>
        return self.sum(temp[i] * B[i] for i in temp)
      File "/usr/local/sage-9/src/sage/categories/pushout.py", line 4320, in 
pushout
        R_tower = construction_tower(R)
      File "/usr/local/sage-9/src/sage/categories/pushout.py", line 4657, in 
construction_tower
        c = R.construction()
      File "/usr/local/sage-9/src/sage/categories/modules.py", line 948, in 
construction
        deprecation(34393, "implementations of Modules().TensorProducts() now 
must define the method tensor_factors")
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 99, in 
deprecation
        warning(trac_number, message, DeprecationWarning, stacklevel)
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 180, in warning
        warn(message, warning_class, stacklevel)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/warnings.py",
 line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: implementations of Modules().TensorProducts() now must 
define the method tensor_factors
    See https://trac.sagemath.org/34393 for details.
**********************************************************************
File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 2047, in 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.retract
Failed example:
    all(S.retract(S.lift(x)) == x       # optional - gap_packages
        for S in T.highest_weight_decomposition()
        for x in S.basis())
Expected:
    True
Got:
    doctest:warning
      File "/usr/local/sage-9/src/bin/sage-runtests", line 154, in <module>
        err = DC.run()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1384, in run
        self.run_doctests()
      File "/usr/local/sage-9/src/sage/doctest/control.py", line 1059, in 
run_doctests
        self.dispatcher.dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2021, in 
dispatch
        self.parallel_dispatch()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1916, in 
parallel_dispatch
        w.start()  # This might take some time
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2190, in start
        super().start()
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 121, in start
        self._popen = self._Popen(self)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 224, in _Popen
        return _default_context.get_context().Process._Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/context.py",
 line 277, in _Popen
        return Popen(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 19, in __init__
        self._launch(process_obj)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/popen_fork.py",
 line 71, in _launch
        code = process_obj._bootstrap(parent_sentinel=child_r)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/multiprocessing/process.py",
 line 315, in _bootstrap
        self.run()
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2162, in run
        task(self.options, self.outtmpfile, msgpipe, self.result_queue)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2492, in 
__call__
        doctests, extras = self._run(runner, options, results)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 2544, in _run
        result = runner.run(test)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 866, in run
        return self._run(test, compileflags, out)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 695, in _run
        self.compile_and_execute(example, compiler, test.globs)
      File "/usr/local/sage-9/src/sage/doctest/forker.py", line 1093, in 
compile_and_execute
        exec(compiled, globs)
      File "<doctest 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.retract[3]>",
 line 1, in <module>
        all(S.retract(S.lift(x)) == x       # optional - gap_packages
      File "<doctest 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.retract[3]>",
 line 1, in <genexpr>
        all(S.retract(S.lift(x)) == x       # optional - gap_packages
      File 
"/usr/local/sage-9/src/sage/algebras/quantum_groups/quantum_group_gap.py", line 
2053, in retract
        return self._from_dict(c.dict(), coerce=False, remove_zeros=False)
      File "/usr/local/sage-9/src/sage/categories/modules_with_basis.py", line 
1276, in _from_dict
        return self.sum(d[i] * B[i] for i in d)
      File "/usr/local/sage-9/src/sage/categories/additive_monoids.py", line 
71, in sum
        return sum(args, self.zero())
      File "/usr/local/sage-9/src/sage/categories/modules_with_basis.py", line 
1276, in <genexpr>
        return self.sum(d[i] * B[i] for i in d)
      File "/usr/local/sage-9/src/sage/categories/pushout.py", line 4320, in 
pushout
        R_tower = construction_tower(R)
      File "/usr/local/sage-9/src/sage/categories/pushout.py", line 4657, in 
construction_tower
        c = R.construction()
      File "/usr/local/sage-9/src/sage/categories/modules.py", line 948, in 
construction
        deprecation(34393, "implementations of Modules().TensorProducts() now 
must define the method tensor_factors")
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 99, in 
deprecation
        warning(trac_number, message, DeprecationWarning, stacklevel)
      File "/usr/local/sage-9/src/sage/misc/superseded.py", line 180, in warning
        warn(message, warning_class, stacklevel)
      File 
"/usr/local/sage-9/local/var/lib/sage/venv-python3.10.5/lib/python3.10/warnings.py",
 line 109, in _showwarnmsg
        sw(msg.message, msg.category, msg.filename, msg.lineno,
    :
    DeprecationWarning: implementations of Modules().TensorProducts() now must 
define the method tensor_factors
    See https://trac.sagemath.org/34393 for details.
    True
**********************************************************************
3 items had failures:
   1 of   6 in 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.__init__
   1 of   5 in 
sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.retract
   1 of   5 in 
sage.algebras.quantum_groups.quantum_group_gap.TensorProductOfHighestWeightModules.__init__
    [529 tests, 3 failures, 10.68 s]
----------------------------------------------------------------------
sage -t --long --warn-long 71.5 
--random-seed=235639103432015518813565380515311711383 
src/sage/algebras/quantum_groups/quantum_group_gap.py  # 3 doctests failed
----------------------------------------------------------------------
Total time for all tests: 10.8 seconds
    cpu time: 9.9 seconds
    cumulative wall time: 10.7 seconds
Features detected for doctesting:

Those three “failures” are in fact warnings due to deprecation, not 
intercepted in the doctests.

The ticket pointed to by the error message is in an inconsistent state : it 
is noted as closed (fixed), but the last message of the ticket is by F. 
Chapoton asking for review.

Tickets #34448 (fixed) and #34485 (new) seem relevant.

HTH,
​
Le vendredi 30 septembre 2022 à 00:27:00 UTC+2, Volker Braun a écrit :

> As always, you can get the latest beta version from the "develop" git 
> branch. Alternatively, the self-contained source tarball is at 
> http://www.sagemath.org/download-latest.html
>
> 54cd6fe6de5 (tag: 9.8.beta1, trac/develop) Updated SageMath version to 
> 9.8.beta1
> 51d49e23f3d Trac #34567: Fix minor documentation formatting issues in 
> dancing links
> ca25316b582 Trac #34522: clean up src/sage/lfunctions/pari.py
> ccf1a2553b5 Trac #34477: one-letter typo in docstring of 
> Sets.ParentMethods.algebra()
> b47402b6a22 Trac #34212: `log_embedding` for number field elements
> d30d2ffe18f Trac #34601: fix W391 in modules, tests and rings
> f36f46cdd1e Trac #34588: fix some E251 in modular
> 888a82eac94 Trac #34584: use .Display for gap character tables
> c6de1c9d057 Trac #34574: Uniformize headline: functions
> a9e3acb5318 Trac #34565: Fix wrong link in the documentation of 
> topological submanifolds
> 2e4047b684a Trac #34558: Typo in git-trac file of developer's guide
> e9d6212a332 Trac #34557: Fix a doctest error in quo_rem of polynomials
> a10ea1150ce Trac #34555: clean one file about N=2 super-conformal Lie 
> algebra
> 3ae93c11570 Trac #34596: fix more W391
> 5d687bc32ef Trac #34595: Fix findstat internet tests
> d3d43be749b Trac #34592: fix W605 in libs and rings/semirings
> fcc132cd6e2 Trac #34500: make some method "gens" return tuples
> 3bf2df75f4c Trac #34448: Put tensor modules of FiniteRankFreeModule in 
> Modules().TensorProducts()
> eafc6c7c9a7 Trac #34423: implement arithmetic product of lazy symmetric 
> functions
> 67b899f3b5d Trac #34422: implement functorial composition of lazy 
> symmetric functions
> 8e98e39f885 Trac #33999: Reduced charpoly for skew polynomials
> 1bd44ef4aae Trac #33850: Unstable doctests in equivariant Ehrhart methods
> 8f80cad719b Trac #32483: Remove workarounds for packages that use 
> flit_core or poetry_core as build system
> 4d614a54c2a Trac #34551: Uniformize headline: graphs and plots
> 67d5afbe229 Trac #34545: cleanup in posets
> 84e479b6ff9 Trac #34544: some minor details in misc
> 3c1f04fff98 Trac #34542: refresh the infinite polynomial ring
> b6fe66bf256 Trac #34538: some details in argument groups
> 187ef46c43f Trac #34454: sage --package create: Add option --source wheel
> 4722394be87 Trac #34392: pycodestyle cleanup in 
> src/sage/graphs/generic_graph.py (part 5)
> e999d8479fb Trac #34314: pycodestyle cleanup in strongly_regular_db.pyx 
> (part 4)
> 2f51c024422 Trac #25046: Add warning for is_prime(n) that produce correct 
> but unexpected output
> 8038ef7cbdb Trac #21129: Arakelov-Zhang pairing of rational maps
> 45c3132107a Trac #34501: New implementation class VectorFieldDualFreeModule
> 81987be67ed Trac #34488: sage.misc.weak_dict: Replace iteritems by items
> 09dfd9468b9 Trac #34479: Polyhedron(backend='number_field')
> 7b143ae5f5a Trac #34473: remove rings from streams
> 6c47984400b Trac #34383: revert for LazyTaylorSeries and 
> LazySymmetricFunction is missing
> b99de44f2c3 Trac #34344: Update setuptools 63.4.3, setuptools_wheel 65.x, 
> tomlkit 0.11.4, importlib_resources 5.9.0, importlib_metadata 4.12.0, 
> distlib 0.3.6, hatchling 1.10.0, pathspec 0.10.1
> 1eea01a1dbf Trac #34272: Update pip to 22.2.2
> 024b81f7a14 Trac #33812: Refactor distributions 
> sagemath-{objects,categories} through sagemath-{environment,repl}
> e4d3004ae09 Trac #33805: use Homebrew's primecount
> 5076cd5d57d Trac #34110: numpy 1.23.x
> 025fdd4137c Trac #34532: modernize super in manifolds/
> f9129b172a6 Trac #34531: some details in LS paths crystals
> 7f7088d750d Trac #34529: remove deprecated method spring_layout_fast_split 
> from src/sage/graphs/generic_graph_pyx.pyx
> 12890b6eae8 Trac #34520: Remove randomly failing doctest in 
> src/sage/graphs/generators/random.py
> c8511abe7bf Trac #34512: compute list CRT via tree
> 3f4e5446872 Trac #34508: Improve documentation of JoinFeature
> cb5e1afa20e Trac #34493: Make TrivialFamily.map return a TrivialFamily
> c036cccaab9 Trac #34486: VectorFieldModule: Faster fast path for 
> tensor_module, exterior_power, dual_exterior_power
> 89b4155bd13 Trac #34469: modern super in matrix_space
> 4f3a9b020a0 Trac #34468: fix W605 in all pyx files inside matroids/
> bfa6342db03 Trac #34465: Invalid escape sequence in special.py
> cd65d443541 Trac #34462: Uniformize the headline: finite rings
> 7736a49d9a6 Trac #34435: Add method to trim trailing zeros from 
> IntegerVector
> 154baa594e1 Trac #34432: Upgrade: jupyter-packaging 0.12.3
> bfc2ccf5c01 Trac #34409: remove experimental warning for composite 
> elliptic-curve isogenies
> 89b0d28500d Trac #34375: Replace 
> sage.algebras.yangian.GeneratorIndexingSet with cartesian_product
> ce82f8112a0 Trac #34358: pycodestyle cleanup in 
> src/sage/graphs/generic_graph.py (part 4)
> c8c541f386e Trac #34578: standard error messages in pbori
> 721c4c18d0d Trac #34573: Remove binary_function from ginac's code in sage
> 5fc16f5552a Trac #34571: fix typo in docstring
> b836c6c85db Trac #34562: refactor multiple zeta values
> 1366a0d9f49 Trac #34528: Installation guide: Improve section on 
> prerequisites/recommendations
> ad97e1b2278 Trac #34413: implement derivatives of lazy series
> a802d076b46 Trac #31664: Add package msolve 0.4.4 (multivariate polynomial 
> system solver)
> 4541564cf15 (tag: 9.8.beta0) Updated SageMath version to 9.8.beta0
>

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