A second attempt, on my first, "larger", machine, to rebuild Sage 9.9.beta6 
using Python3 gave the same results as the first attempt, which was an 
upgrade from 6.9.beta4, IIRC.  Same permanent ptest-python3 failures. This 
reproducibility points to possibly different components in the environment.

I have no clues on how to solve this riddle...

Le mercredi 14 août 2019 19:23:10 UTC+2, Emmanuel Charpentier a écrit :
>
> On another machine (Debian testing, core i5 + 8 GB RAM), I get only the 
> already-multi-reported FLINT error.
>
> I'll try to rebuild Sage on the larger machine to see if the errors aren't 
> accidental.
>
> HTH,
>
>
>
> Le lundi 12 août 2019 16:02:31 UTC+2, Emmanuel Charpentier a écrit :
>>
>> FWIW, on Debian testing running on core i7 + 16 GB RAM, a Python3 upgrade 
>> from 8.9beta4 gives me 3 failures, all permanent:
>>
>>
>> ----------------------------------------------------------------------
>> sage -t --long --warn-long 158.3 src/sage/graphs/strongly_regular_db.pyx  
>> # 4 doctests failed
>> sage -t --long --warn-long 158.3 
>> src/sage/algebras/quantum_groups/quantum_group_gap.py  # Killed due to 
>> segmentation fault
>> sage -t --long --warn-long 158.3 
>> src/sage/rings/polynomial/polynomial_rational_flint.pyx  # 1 doctest failed
>> ----------------------------------------------------------------------
>>
>> Thr third one has already been reported , and I'm aware of a relevant 
>> ticket been worked on. OFAICT, the first two are novel.
>>
>> Details:
>>
>> charpent@zen-book-flip:/usr/local/sage-P3$ sage -t --long --warn-long 
>> 158.3 src/sage/graphs/strongly_regular_db.pyx
>> Running doctests with ID 2019-08-12-15-28-19-15c539ce.
>> Git branch: develop
>> Using 
>> --optional=build,dochtml,dot2tex,fricas,gap_packages,giacpy_sage,libsemigroups,memlimit,mpir,python2,sage
>> Doctesting 1 file.
>> sage -t --long --warn-long 158.3 src/sage/graphs/strongly_regular_db.pyx
>> **********************************************************************
>> File "src/sage/graphs/strongly_regular_db.pyx", line 2323, in 
>> sage.graphs.strongly_regular_db.SRG_280_135_70_60
>> Failed example:
>>     g=SRG_280_135_70_60()                  # long time # optional - 
>> gap_packages
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/gap.py",
>>  
>> line 763, in _eval_line
>>         raise RuntimeError("%s produced error output\n%s\n   executing 
>> %s"%(self, error,line))
>>     RuntimeError: Gap produced error output
>>     Error, Record Element: <rec> must be a record (not a boolean or fail)
>>
>>        executing \$sage11:=AtlasGenerators("J2",2).generators;;
>>
>>     During handling of the above exception, another exception occurred:
>>
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/expect.py",
>>  
>> line 1438, in __init__
>>         self._name = parent._create(value, name=name)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/interface.py",
>>  
>> line 491, in _create
>>         self.set(name, value)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/gap.py",
>>  
>> line 1414, in set
>>         self._eval_line(cmd, allow_use_file=True)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/gap.py",
>>  
>> line 790, in _eval_line
>>         raise RuntimeError(message)
>>     RuntimeError: Gap produced error output
>>     Error, Record Element: <rec> must be a record (not a boolean or fail)
>>
>>        executing \$sage11:=AtlasGenerators("J2",2).generators;;
>>
>>     During handling of the above exception, another exception occurred:
>>
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.graphs.strongly_regular_db.SRG_280_135_70_60[1]>", line 1, in <module>
>>         g=SRG_280_135_70_60()                  # long time # optional - 
>> gap_packages
>>       File "sage/graphs/strongly_regular_db.pyx", line 2334, in 
>> sage.graphs.strongly_regular_db.SRG_280_135_70_60 
>> (build/cythonized/sage/graphs/strongly_regular_db.c:34133)
>>         J2    = 
>> PermutationGroup(gap('AtlasGenerators("J2",2).generators'))
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/interface.py",
>>  
>> line 288, in __call__
>>         return cls(self, x, name=name)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/expect.py",
>>  
>> line 1443, in __init__
>>         raise_(TypeError, TypeError(*x.args), sys.exc_info()[2])
>>       File "/usr/local/sage-P3/local/lib/python3.7/site-packages/six.py", 
>> line 692, in reraise
>>         raise value.with_traceback(tb)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/expect.py",
>>  
>> line 1438, in __init__
>>         self._name = parent._create(value, name=name)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/interface.py",
>>  
>> line 491, in _create
>>         self.set(name, value)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/gap.py",
>>  
>> line 1414, in set
>>         self._eval_line(cmd, allow_use_file=True)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/interfaces/gap.py",
>>  
>> line 790, in _eval_line
>>         raise RuntimeError(message)
>>     TypeError: Gap produced error output
>>     Error, Record Element: <rec> must be a record (not a boolean or fail)
>>
>>        executing \$sage11:=AtlasGenerators("J2",2).generators;;
>> **********************************************************************
>> File "src/sage/graphs/strongly_regular_db.pyx", line 2324, in 
>> sage.graphs.strongly_regular_db.SRG_280_135_70_60
>> Failed example:
>>     g.is_strongly_regular(parameters=True) # long time # optional - 
>> gap_packages
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.graphs.strongly_regular_db.SRG_280_135_70_60[2]>", line 1, in <module>
>>         g.is_strongly_regular(parameters=True) # long time # optional - 
>> gap_packages
>>     NameError: name 'g' is not defined
>> **********************************************************************
>> File "src/sage/graphs/strongly_regular_db.pyx", line 2450, in 
>> sage.graphs.strongly_regular_db.SRG_416_100_36_20
>> Failed example:
>>     g = SRG_416_100_36_20()                # optional - gap_packages # 
>> long time
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.graphs.strongly_regular_db.SRG_416_100_36_20[1]>", line 1, in <module>
>>         g = SRG_416_100_36_20()                # optional - gap_packages 
>> # long time
>>       File "sage/graphs/strongly_regular_db.pyx", line 2460, in 
>> sage.graphs.strongly_regular_db.SRG_416_100_36_20 
>> (build/cythonized/sage/graphs/strongly_regular_db.c:36293)
>>         h.add_edges(g.Orbit([1,5],libgap.OnSets))
>>       File "sage/libs/gap/element.pyx", line 2619, in 
>> sage.libs.gap.element.GapElement_MethodProxy.__call__ 
>> (build/cythonized/sage/libs/gap/element.c:19709)
>>         return GapElement_Function.__call__(self, * 
>> ([self.first_argument] + list(args)))
>>       File "sage/libs/gap/element.pyx", line 2467, in 
>> sage.libs.gap.element.GapElement_Function.__call__ 
>> (build/cythonized/sage/libs/gap/element.c:18722)
>>         sig_on()
>>     sage.libs.gap.util.GAPError: Syntax warning: Unbound global variable 
>> in stream:8
>>             z:=Z(q^2); e:=z; sqo:=(q^2-1)/2;
>>                                 ^^
>>     Syntax warning: Unbound global variable in stream:9
>>             if IsInt(sqo/Order(e^2+z^0)) then
>>                         ^
>>     Syntax warning: Unbound global variable in stream:10
>>                 e:=z^First([2..q^2-2], x-> not 
>> IsInt(sqo/Order(z^(2*x)+z^0)));
>>                                                         ^
>>     Syntax warning: Unbound global variable in stream:21
>>             G:=Graph(G1,Concatenation(O1,O2),OnSets,
>>                     ^
>>     Syntax warning: Unbound global variable in stream:23
>>             return List([1..OrderGraph(G)],x->Adjacency(G,x));
>>                                       ^
>>     Syntax warning: Unbound global variable in stream:23
>>             return List([1..OrderGraph(G)],x->Adjacency(G,x));
>>                                                        ^
>>     Error, no method found! Error, no 1st choice method found for 
>> `GeneratorsOfMagmaWithInverses' on 1 arguments
>>     The 1st argument is 'fail' which might point to an earlier problem
>> **********************************************************************
>> File "src/sage/graphs/strongly_regular_db.pyx", line 2451, in 
>> sage.graphs.strongly_regular_db.SRG_416_100_36_20
>> Failed example:
>>     g.is_strongly_regular(parameters=True) # optional - gap_packages # 
>> long time
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.graphs.strongly_regular_db.SRG_416_100_36_20[2]>", line 1, in <module>
>>         g.is_strongly_regular(parameters=True) # optional - gap_packages 
>> # long time
>>     NameError: name 'g' is not defined
>> **********************************************************************
>> 2 items had failures:
>>    2 of   4 in sage.graphs.strongly_regular_db.SRG_280_135_70_60
>>    2 of   4 in sage.graphs.strongly_regular_db.SRG_416_100_36_20
>>     [334 tests, 4 failures, 811.86 s]
>> ----------------------------------------------------------------------
>> sage -t --long --warn-long 158.3 src/sage/graphs/strongly_regular_db.pyx  
>> # 4 doctests failed
>> ----------------------------------------------------------------------
>> Total time for all tests: 812.0 seconds
>>     cpu time: 20.9 seconds
>>     cumulative wall time: 811.9 seconds
>> charpent@zen-book-flip:/usr/local/sage-P3$ sage -t --long --warn-long 
>> 158.3 src/sage/algebras/quantum_groups/quantum_group_gap.py
>> Running doctests with ID 2019-08-12-15-51-25-c5d0cde8.
>> Git branch: develop
>> Using 
>> --optional=build,dochtml,dot2tex,fricas,gap_packages,giacpy_sage,libsemigroups,memlimit,mpir,python2,sage
>> Doctesting 1 file.
>> sage -t --long --warn-long 158.3 
>> src/sage/algebras/quantum_groups/quantum_group_gap.py
>> **********************************************************************
>> File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 1553, 
>> in sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule._latex_
>> Failed example:
>>     latex(S)  # optional - gap_packages  # random (depends on dot2tex)
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule._latex_[4]>",
>>  
>> line 1, in <module>
>>         latex(S)  # optional - gap_packages  # random (depends on dot2tex)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/misc/latex.py", 
>> line 925, in __call__
>>         return LatexExpr(x._latex_())
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/algebras/quantum_groups/quantum_group_gap.py",
>>  
>> line 1559, in _latex_
>>         return latex(self.crystal_graph())
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/algebras/quantum_groups/quantum_group_gap.py",
>>  
>> line 2098, in crystal_graph
>>         for p in G[b'points']]
>>       File "sage/libs/gap/element.pyx", line 3157, in 
>> sage.libs.gap.element.GapElement_Record.__getitem__ 
>> (build/cythonized/sage/libs/gap/element.c:22566)
>>         sig_on()
>>     cysignals.signals.SignalError: Segmentation fault
>> **********************************************************************
>> File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 1658, 
>> in 
>> sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule.crystal_graph
>> Failed example:
>>     G = V.crystal_graph(); G            # optional - gap_packages
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule.crystal_graph[2]>",
>>  
>> line 1, in <module>
>>         G = V.crystal_graph(); G            # optional - gap_packages
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/algebras/quantum_groups/quantum_group_gap.py",
>>  
>> line 1666, in crystal_graph
>>         vertices = [CrystalGraphVertex(self, repr(p)) for p in 
>> G[b'points']]
>>       File "sage/libs/gap/element.pyx", line 3157, in 
>> sage.libs.gap.element.GapElement_Record.__getitem__ 
>> (build/cythonized/sage/libs/gap/element.c:22566)
>>         sig_on()
>>     cysignals.signals.SignalError: Segmentation fault
>> **********************************************************************
>> File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 1662, 
>> in 
>> sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule.crystal_graph
>> Failed example:
>>     G.is_isomorphic(B.digraph(), edge_labels=True)  # optional - 
>> gap_packages
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule.crystal_graph[4]>",
>>  
>> line 1, in <module>
>>         G.is_isomorphic(B.digraph(), edge_labels=True)  # optional - 
>> gap_packages
>>     NameError: name 'G' is not defined
>> **********************************************************************
>> File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 2082, 
>> in 
>> sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.crystal_graph
>> Failed example:
>>     G = S.crystal_graph()                    # optional - gap_packages
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.crystal_graph[4]>",
>>  
>> line 1, in <module>
>>         G = S.crystal_graph()                    # optional - gap_packages
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/algebras/quantum_groups/quantum_group_gap.py",
>>  
>> line 2098, in crystal_graph
>>         for p in G[b'points']]
>>       File "sage/libs/gap/element.pyx", line 3157, in 
>> sage.libs.gap.element.GapElement_Record.__getitem__ 
>> (build/cythonized/sage/libs/gap/element.c:22566)
>>         sig_on()
>>     cysignals.signals.SignalError: Segmentation fault
>> **********************************************************************
>> File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 2083, 
>> in 
>> sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.crystal_graph
>> Failed example:
>>     sorted(G.vertices(), key=str)            # optional - gap_packages
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.crystal_graph[5]>",
>>  
>> line 1, in <module>
>>         sorted(G.vertices(), key=str)            # optional - gap_packages
>>     NameError: name 'G' is not defined
>> **********************************************************************
>> File "src/sage/algebras/quantum_groups/quantum_group_gap.py", line 2087, 
>> in 
>> sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.crystal_graph
>> Failed example:
>>     sorted(S.crystal_graph(False).vertices(), key=str)  # optional - 
>> gap_packages
>> Exception raised:
>>     Traceback (most recent call last):
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 681, in _run
>>         self.compile_and_execute(example, compiler, test.globs)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/doctest/forker.py",
>>  
>> line 1105, in compile_and_execute
>>         exec(compiled, globs)
>>       File "<doctest 
>> sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.crystal_graph[6]>",
>>  
>> line 1, in <module>
>>         sorted(S.crystal_graph(False).vertices(), key=str)  # optional - 
>> gap_packages
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/algebras/quantum_groups/quantum_group_gap.py",
>>  
>> line 2092, in crystal_graph
>>         return QuantumGroupModule.crystal_graph(self)
>>       File 
>> "/usr/local/sage-P3/local/lib/python3.7/site-packages/sage/algebras/quantum_groups/quantum_group_gap.py",
>>  
>> line 1666, in crystal_graph
>>         vertices = [CrystalGraphVertex(self, repr(p)) for p in 
>> G[b'points']]
>>       File "sage/libs/gap/element.pyx", line 3157, in 
>> sage.libs.gap.element.GapElement_Record.__getitem__ 
>> (build/cythonized/sage/libs/gap/element.c:22566)
>>         sig_on()
>>     cysignals.signals.SignalError: Segmentation fault
>> **********************************************************************
>> 3 items had failures:
>>    3 of   8 in 
>> sage.algebras.quantum_groups.quantum_group_gap.HighestWeightSubmodule.crystal_graph
>>    1 of   6 in 
>> sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule._latex_
>>    2 of   6 in 
>> sage.algebras.quantum_groups.quantum_group_gap.QuantumGroupModule.crystal_graph
>>     [529 tests, 6 failures, 8.18 s]
>> ----------------------------------------------------------------------
>> sage -t --long --warn-long 158.3 
>> src/sage/algebras/quantum_groups/quantum_group_gap.py  # 6 doctests failed
>> ----------------------------------------------------------------------
>> Total time for all tests: 8.3 seconds
>>     cpu time: 8.2 seconds
>>     cumulative wall time: 8.2 seconds
>> charpent@zen-book-flip:/usr/local/sage-P3$ sage -t --long --warn-long 
>> 158.3 src/sage/rings/polynomial/polynomial_rational_flint.pyx
>> Running doctests with ID 2019-08-12-15-52-12-95ad56f7.
>> Git branch: develop
>> Using 
>> --optional=build,dochtml,dot2tex,fricas,gap_packages,giacpy_sage,libsemigroups,memlimit,mpir,python2,sage
>> Doctesting 1 file.
>> sage -t --long --warn-long 158.3 
>> src/sage/rings/polynomial/polynomial_rational_flint.pyx
>> **********************************************************************
>> File "src/sage/rings/polynomial/polynomial_rational_flint.pyx", line 
>> 2055, in 
>> sage.rings.polynomial.polynomial_rational_flint.Polynomial_rational_flint.galois_group
>> Failed example:
>>     G = f.galois_group(); G
>> Expected:
>>     Transitive group number 5 of degree 4
>> Got:
>>     Exception (FLINT memory_manager). Unable to allocate memory.
>>     Transitive group number 5 of degree 4
>> **********************************************************************
>> 1 item had failures:
>>    1 of  16 in 
>> sage.rings.polynomial.polynomial_rational_flint.Polynomial_rational_flint.galois_group
>>     [397 tests, 1 failure, 3.91 s]
>> ----------------------------------------------------------------------
>> sage -t --long --warn-long 158.3 
>> src/sage/rings/polynomial/polynomial_rational_flint.pyx  # 1 doctest failed
>> ----------------------------------------------------------------------
>> Total time for all tests: 4.0 seconds
>>     cpu time: 3.5 seconds
>>     cumulative wall time: 3.9 seconds
>>
>> HTH,
>>
>>
>> Le samedi 10 août 2019 19:49:47 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 
>>>
>>>
>>> 213fe0ba4d (tag: 8.9.beta6, trac/develop) Updated SageMath version to 
>>> 8.9.beta6
>>> 442411009b Trac #23573: Implement suffix walk for suffix tree
>>> 8d79f08bdf Trac #28332: dot2tex fails self-tests
>>> c3b74b06f9 Trac #28330: Cygwin: Use cygstart instead of rundll32 to open 
>>> files/websites
>>> 223ef8bc38 Trac #27295: Add GAP's Semigroups package to gap_packages
>>> 849d1c6f1d Trac #27396: add libsemigroups package
>>> 5f09146e65 Trac #24324: DyckWords.options.display does not work
>>> b201000163 Trac #28276: Fix tex_from_skew_array format command for 
>>> tuple-valued arrays
>>> b945d46218 Trac #28314: fixing a few calls of all(list)
>>> 41ec91a253 Trac #28308: some typos
>>> d6ef82c599 Trac #28305: py3 fix for 
>>> combinat/root_system/non_symmetric_macdonald_polynomials.py
>>> 188dc36616 Trac #28152: Planar graph layout does not respect clockwise 
>>> ordering of neighbors in combinatorial embedding
>>> cf987b94df Trac #28119: Implement random triangulations of a polygon
>>> f1bfb6af08 Trac #27634: Clean up the code and the documentation for the 
>>> coding section
>>> 191e879cdd Trac #28295: spkg-configure.m4 for mpfi
>>> 5ad71230a1 Trac #28273: allow laziness in DisjointUnionEnumeratedSet
>>> 189a96bb1d Trac #28231: spkg-configure.m4 for lrcalc
>>> 7ff2a50ff3 Trac #28109: Renaming and improvement of periodic point 
>>> methods
>>> ca069e9afd Trac #28070: is_conjugate bug fix and enhancements
>>> c3ffb5d918 Trac #28027: Adding cyclegraph functionality to product 
>>> projective dynamical systems
>>> d710aacd9c Trac #28312: py3 small fix for quantum group gap
>>> 5845d75c7c Trac #28306: refresh the file ell_generic.py
>>> 4c993d118c Trac #28291: Speed up access to coefficients of general 
>>> number field elements
>>> 707b99aa7e Trac #28288: Direct conversion from number fields to complex 
>>> ball fields
>>> 334ff06023 Trac #28286: removed deprecated alias in tiling.py
>>> 2bae93e74b Trac #28285: remove deprecated alias in finance
>>> 81479570f1 Trac #28283: remove content in polynomial
>>> fb3aa72ab2 Trac #28110: Bug in Hilbert series computation
>>> 9a0cb42f33 Trac #28287: alarm test failure in 
>>> CombinatorialPolyhedron.f_vector
>>> ac8cf16c5c (tag: 8.9.beta5) Updated SageMath version to 8.9.beta5
>>>
>>

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