On the python termial on my debian testing system:
Python 2.7.16rc1 (default, Feb 18 2019, 11:05:09)
[GCC 8.2.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from sage.all_cmdline import *
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/sage/all_cmdline.py", line 26, in
<module>
from sage.all import *
File "/usr/lib/python2.7/dist-packages/sage/all.py", line 70, in <module>
from sage.env import SAGE_ROOT, SAGE_SRC, SAGE_DOC_SRC, SAGE_LOCAL,
DOT_SAGE, SAGE_ENV
File "/usr/lib/python2.7/dist-packages/sage/env.py", line 123, in <module>
_add_variable_or_fallback('SAGE_ETC', opj('$SAGE_LOCAL', 'etc'))
File "/usr/lib/python2.7/dist-packages/sage/env.py", line 103, in
_add_variable_or_fallback
value = sep.join(components)
TypeError: sequence item 0: expected string, NoneType found
>>>
and also:
> source /usr/share/sagemath/bin/sage-env
> andreas@lazarus ~/src/dissertation/analytical (svn)-[analytical:36730] %
python
Python 2.7.16rc1 (default, Feb 18 2019, 11:05:09)
[GCC 8.2.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from sage.all_cmdline import *
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/sage/all_cmdline.py", line 26, in
<module>
from sage.all import *
File "/usr/lib/python2.7/dist-packages/sage/all.py", line 83, in <module>
from sage.misc.all import * # takes a while
File "/usr/lib/python2.7/dist-packages/sage/misc/all.py", line 84, in
<module>
from .functional import (additive_order,
File "/usr/lib/python2.7/dist-packages/sage/misc/functional.py", line 27,
in <module>
from sage.rings.complex_double import CDF
File "sage/rings/complex_double.pyx", line 1, in init
sage.rings.complex_double
(build/cythonized/sage/rings/complex_double.c:22356)
File "sage/rings/ring.pyx", line 1, in init sage.rings.ring
(build/cythonized/sage/rings/ring.c:22311)
File "sage/structure/parent_gens.pyx", line 1, in init
sage.structure.parent_gens
(build/cythonized/sage/structure/parent_gens.c:5388)
File "sage/structure/parent_base.pyx", line 1, in init
sage.structure.parent_base
(build/cythonized/sage/structure/parent_base.c:2543)
File "sage/structure/parent_old.pyx", line 1, in init
sage.structure.parent_old
(build/cythonized/sage/structure/parent_old.c:8649)
File "sage/structure/parent.pyx", line 1, in init sage.structure.parent
(build/cythonized/sage/structure/parent.c:27339)
File "sage/structure/category_object.pyx", line 62, in init
sage.structure.category_object
(build/cythonized/sage/structure/category_object.c:9657)
File "/usr/lib/python2.7/dist-packages/sage/categories/category.py", line
110, in <module>
from sage.misc.unknown import Unknown
File "/usr/lib/python2.7/dist-packages/sage/misc/unknown.py", line 11, in
<module>
from sage.structure.unique_representation import UniqueRepresentation
File
"/usr/lib/python2.7/dist-packages/sage/structure/unique_representation.py",
line 570, in <module>
class CachedRepresentation(six.with_metaclass(ClasscallMetaclass)):
File "/usr/local/lib/python2.7/dist-packages/six.py", line 809, in
with_metaclass
return type.__new__(metaclass, 'temporary_class', (), {})
TypeError: type.__new__(metaclass) is not safe, use
sage.misc.classcall_metaclass.ClasscallMetaclass.__new__()
>>>
please find all the data concerning my system and involved packages in the
attached file
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