Hi,

there should be a fix for this in updates-testing for Fedora 36:
$ sudo dnf update sagemath --enablerepo=updates-testing

You might have to do this first:
$ sudo dnf erase sagemath-doc-en

Cheers,
Vegard

On Thu, Jun 2, 2022 at 9:36 AM Francesco Buscemi <busce...@gmail.com> wrote:
>
> Hello there; any news? I'm getting exactly the same errors...
>
> On Wednesday, May 11, 2022 at 7:23:15 PM UTC+9 jacovant...@gmail.com wrote:
>>
>> I am running Fedora 36 (had the same issue in Fedora 35) on a Lenovo 
>> IdeaPad. After installing sage using dnf I tried running it but it failed 
>> due to: "ImportError: cannot load Singular library from libSingular.so 
>> (b'libSingular.so: cannot open shared object file: No such file or 
>> directory')". The full error report is:
>>
>> Error in sys.excepthook:
>> Traceback (most recent call last):
>>   File "/usr/lib64/python3.10/pathlib.py", line 1303, in is_dir
>>     return S_ISDIR(self.stat().st_mode)
>> AttributeError: 'str' object has no attribute 'stat'
>>
>> Original exception was:
>> Traceback (most recent call last):
>>   File "/usr/lib64/sagemath/local/bin/sage-ipython", line 15, in <module>
>>     app.initialize()
>>   File 
>> "/home/jacovantonder/.local/lib/python3.10/site-packages/traitlets/config/application.py",
>>  line 88, in inner
>>     return method(app, *args, **kwargs)
>>   File "/usr/lib/python3.10/site-packages/IPython/terminal/ipapp.py", line 
>> 276, in initialize
>>     self.init_shell()
>>   File "/usr/lib64/python3.10/site-packages/sage/repl/interpreter.py", line 
>> 789, in init_shell
>>     self.shell.extension_manager.load_extension(SAGE_EXTENSION)
>>   File "/usr/lib/python3.10/site-packages/IPython/core/extensions.py", line 
>> 76, in load_extension
>>     return self._load_extension(module_str)
>>   File "/usr/lib/python3.10/site-packages/IPython/core/extensions.py", line 
>> 99, in _load_extension
>>     if self._call_load_ipython_extension(mod):
>>   File "/usr/lib/python3.10/site-packages/IPython/core/extensions.py", line 
>> 151, in _call_load_ipython_extension
>>     mod.load_ipython_extension(self.shell)
>>   File "/usr/lib64/python3.10/site-packages/sage/repl/__init__.py", line 5, 
>> in load_ipython_extension
>>     sage.repl.ipython_extension.load_ipython_extension(*args)
>>   File "/usr/lib64/python3.10/site-packages/sage/repl/ipython_extension.py", 
>> line 617, in wrapper
>>     result = func(*args, **kwargs)
>>   File "/usr/lib64/python3.10/site-packages/sage/repl/ipython_extension.py", 
>> line 630, in load_ipython_extension
>>     SageCustomizations(shell=ip)
>>   File "/usr/lib64/python3.10/site-packages/sage/repl/ipython_extension.py", 
>> line 434, in __init__
>>     import sage.all # until sage's import hell is fixed
>>   File "/usr/lib64/python3.10/site-packages/sage/all.py", line 131, in 
>> <module>
>>     from sage.rings.all      import *
>>   File "/usr/lib64/python3.10/site-packages/sage/rings/all.py", line 87, in 
>> <module>
>>     from .qqbar import (AlgebraicRealField, AA,
>>   File "/usr/lib64/python3.10/site-packages/sage/rings/qqbar.py", line 2810, 
>> in <module>
>>     QQxy = QQ['x', 'y']
>>   File "sage/structure/parent.pyx", line 1276, in 
>> sage.structure.parent.Parent.__getitem__
>>   File "/usr/lib64/python3.10/site-packages/sage/categories/rings.py", line 
>> 1177, in __getitem__
>>     return PolynomialRing(self, elts)
>>   File 
>> "/usr/lib64/python3.10/site-packages/sage/rings/polynomial/polynomial_ring_constructor.py",
>>  line 647, in PolynomialRing
>>     return _multi_variate(base_ring, names, **kwds)
>>   File 
>> "/usr/lib64/python3.10/site-packages/sage/rings/polynomial/polynomial_ring_constructor.py",
>>  line 775, in _multi_variate
>>     from sage.rings.polynomial.multi_polynomial_libsingular import 
>> MPolynomialRing_libsingular
>>   File "sage/rings/polynomial/multi_polynomial_libsingular.pyx", line 1, in 
>> init sage.rings.polynomial.multi_polynomial_libsingular
>>   File "sage/libs/singular/singular.pyx", line 1558, in init 
>> sage.libs.singular.singular
>>   File "sage/libs/singular/singular.pyx", line 1532, in 
>> sage.libs.singular.singular.init_libsingular
>> ImportError: cannot load Singular library from libSingular.so 
>> (b'libSingular.so: cannot open shared object file: No such file or 
>> directory')
>>
>> I've had issues with installing sage with conda as well. Not being able to 
>> get the kernel to connect in Jupyter.
>
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