Hi
See
https://groups.google.com/g/sage-support/c/7YBbeU1jpJo/m/YozBi3h5CwAJ?utm_medium=email&utm_source=footer
Possibly this will fix it:
./sage --pip uninstall matplotlib numpy
followed by
./sage --pip install matplotlib numpy
Regards,
Jan
On Sun, 27 Apr 2025 at 15:17, Luis Finotti <luis.fino...@gmail.com> wrote:
> Am I the only one with this problem? In the same machine 10.5 works fine
> with JupyterLab...
>
> On Friday, April 18, 2025 at 3:34:02 PM UTC-4 Luis Finotti wrote:
>
>> I've always been able to run Sage in JupyterLab (in different
>> environments) by simply linking the kernel to
>> the $HOME/.local/share/jupyter/kernels/, as described here:
>> https://doc.sagemath.org/html/en/installation/launching.html#setting-up-sagemath-as-a-jupyter-kernel-in-an-existing-jupyter-notebook-or-jupyterlab-installation
>>
>> In my most recent installation, building 10.6 from source, I cannot.
>> JupyterLab shows the 10.6 kernel, but when I create a notebook running
>> Sage's kernel and run any command, it hangs, and then shows "No Kernel".
>>
>> Below is the output of Jupyter Lab in the terminal from which I started
>> it.
>>
>> Any help would be greatly appreciated.
>>
>> Luís
>>
>> --------
>>
>> [I 2025-04-18 15:21:39.756 ServerApp] Kernel started:
>> 3506afee-ace1-456f-bffb-a6deb2557540
>> /home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config:4:
>> DeprecationWarning: pkg_resources is deprecated as an API. See
>> https://setuptools.pypa.io/en/latest/pkg_resources.html
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 656, in _build_master
>> ws.require(__requires__)
>> ~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 1063, in require
>> needed = self.resolve(parse_requirements(requirements))
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>>
>> During handling of the above exception, another exception occurred:
>>
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config",
>> line 4, in <module>
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> ~~~~~~~~~~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3656, in <module>
>> @_call_aside
>> ^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3640, in _call_aside
>> f(*args, **kwargs)
>> ~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3669, in _initialize_master_working_set
>> working_set = _declare_state('object', 'working_set',
>> WorkingSet._build_master())
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 658, in _build_master
>> return cls._build_from_requirements(__requires__)
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 671, in _build_from_requirements
>> dists = ws.resolve(reqs, Environment())
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>> /home/finotti/.venvs/myst/bin/python3: Error while finding module
>> specification for 'sage.repl.ipython_kernel' (ModuleNotFoundError: No
>> module named 'sage')
>> [I 2025-04-18 15:21:42.747 ServerApp] AsyncIOLoopKernelRestarter:
>> restarting kernel (1/5), new random ports
>> /home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config:4:
>> DeprecationWarning: pkg_resources is deprecated as an API. See
>> https://setuptools.pypa.io/en/latest/pkg_resources.html
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 656, in _build_master
>> ws.require(__requires__)
>> ~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 1063, in require
>> needed = self.resolve(parse_requirements(requirements))
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>>
>> During handling of the above exception, another exception occurred:
>>
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config",
>> line 4, in <module>
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> ~~~~~~~~~~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3656, in <module>
>> @_call_aside
>> ^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3640, in _call_aside
>> f(*args, **kwargs)
>> ~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3669, in _initialize_master_working_set
>> working_set = _declare_state('object', 'working_set',
>> WorkingSet._build_master())
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 658, in _build_master
>> return cls._build_from_requirements(__requires__)
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 671, in _build_from_requirements
>> dists = ws.resolve(reqs, Environment())
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>> /home/finotti/.venvs/myst/bin/python3: Error while finding module
>> specification for 'sage.repl.ipython_kernel' (ModuleNotFoundError: No
>> module named 'sage')
>> [I 2025-04-18 15:21:45.762 ServerApp] AsyncIOLoopKernelRestarter:
>> restarting kernel (2/5), new random ports
>> /home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config:4:
>> DeprecationWarning: pkg_resources is deprecated as an API. See
>> https://setuptools.pypa.io/en/latest/pkg_resources.html
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 656, in _build_master
>> ws.require(__requires__)
>> ~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 1063, in require
>> needed = self.resolve(parse_requirements(requirements))
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>>
>> During handling of the above exception, another exception occurred:
>>
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config",
>> line 4, in <module>
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> ~~~~~~~~~~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3656, in <module>
>> @_call_aside
>> ^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3640, in _call_aside
>> f(*args, **kwargs)
>> ~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3669, in _initialize_master_working_set
>> working_set = _declare_state('object', 'working_set',
>> WorkingSet._build_master())
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 658, in _build_master
>> return cls._build_from_requirements(__requires__)
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 671, in _build_from_requirements
>> dists = ws.resolve(reqs, Environment())
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>> /home/finotti/.venvs/myst/bin/python3: Error while finding module
>> specification for 'sage.repl.ipython_kernel' (ModuleNotFoundError: No
>> module named 'sage')
>> [I 2025-04-18 15:21:48.776 ServerApp] AsyncIOLoopKernelRestarter:
>> restarting kernel (3/5), new random ports
>> /home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config:4:
>> DeprecationWarning: pkg_resources is deprecated as an API. See
>> https://setuptools.pypa.io/en/latest/pkg_resources.html
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 656, in _build_master
>> ws.require(__requires__)
>> ~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 1063, in require
>> needed = self.resolve(parse_requirements(requirements))
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>>
>> During handling of the above exception, another exception occurred:
>>
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config",
>> line 4, in <module>
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> ~~~~~~~~~~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3656, in <module>
>> @_call_aside
>> ^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3640, in _call_aside
>> f(*args, **kwargs)
>> ~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3669, in _initialize_master_working_set
>> working_set = _declare_state('object', 'working_set',
>> WorkingSet._build_master())
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 658, in _build_master
>> return cls._build_from_requirements(__requires__)
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 671, in _build_from_requirements
>> dists = ws.resolve(reqs, Environment())
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>> /home/finotti/.venvs/myst/bin/python3: Error while finding module
>> specification for 'sage.repl.ipython_kernel' (ModuleNotFoundError: No
>> module named 'sage')
>> [I 2025-04-18 15:21:51.790 ServerApp] AsyncIOLoopKernelRestarter:
>> restarting kernel (4/5), new random ports
>> /home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config:4:
>> DeprecationWarning: pkg_resources is deprecated as an API. See
>> https://setuptools.pypa.io/en/latest/pkg_resources.html
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 656, in _build_master
>> ws.require(__requires__)
>> ~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 1063, in require
>> needed = self.resolve(parse_requirements(requirements))
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>>
>> During handling of the above exception, another exception occurred:
>>
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config",
>> line 4, in <module>
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> ~~~~~~~~~~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3656, in <module>
>> @_call_aside
>> ^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3640, in _call_aside
>> f(*args, **kwargs)
>> ~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3669, in _initialize_master_working_set
>> working_set = _declare_state('object', 'working_set',
>> WorkingSet._build_master())
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 658, in _build_master
>> return cls._build_from_requirements(__requires__)
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 671, in _build_from_requirements
>> dists = ws.resolve(reqs, Environment())
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>> /home/finotti/.venvs/myst/bin/python3: Error while finding module
>> specification for 'sage.repl.ipython_kernel' (ModuleNotFoundError: No
>> module named 'sage')
>> [I 2025-04-18 15:21:54.802 ServerApp] AsyncIOLoopKernelRestarter:
>> restarting kernel (5/5), new random ports
>> /home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config:4:
>> DeprecationWarning: pkg_resources is deprecated as an API. See
>> https://setuptools.pypa.io/en/latest/pkg_resources.html
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 656, in _build_master
>> ws.require(__requires__)
>> ~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 1063, in require
>> needed = self.resolve(parse_requirements(requirements))
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>>
>> During handling of the above exception, another exception occurred:
>>
>> Traceback (most recent call last):
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/bin/sage-venv-config",
>> line 4, in <module>
>> __import__('pkg_resources').require('sagemath-standard==10.6')
>> ~~~~~~~~~~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3656, in <module>
>> @_call_aside
>> ^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3640, in _call_aside
>> f(*args, **kwargs)
>> ~^^^^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 3669, in _initialize_master_working_set
>> working_set = _declare_state('object', 'working_set',
>> WorkingSet._build_master())
>>
>> ~~~~~~~~~~~~~~~~~~~~~~~~^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 658, in _build_master
>> return cls._build_from_requirements(__requires__)
>> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 671, in _build_from_requirements
>> dists = ws.resolve(reqs, Environment())
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 890, in resolve
>> dist = self._resolve_dist(
>> req, best, replace_conflicting, env, installer, required_by,
>> to_activate
>> )
>> File
>> "/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages/pkg_resources/__init__.py",
>> line 936, in _resolve_dist
>> raise VersionConflict(dist, req).with_context(dependent_req)
>> pkg_resources.ContextualVersionConflict: (numpy 2.2.3
>> (/home/finotti/src/sage-10.6/local/var/lib/sage/venv-python3.13/lib/python3.13/site-packages),
>> Requirement.parse('numpy<2,>=1.21'), {'matplotlib'})
>> /home/finotti/.venvs/myst/bin/python3: Error while finding module
>> specification for 'sage.repl.ipython_kernel' (ModuleNotFoundError: No
>> module named 'sage')
>> [W 2025-04-18 15:21:57.816 ServerApp] AsyncIOLoopKernelRestarter: restart
>> failed
>> [W 2025-04-18 15:21:57.817 ServerApp] Kernel
>> 3506afee-ace1-456f-bffb-a6deb2557540 died, removing from map.
>> [W 2025-04-18 15:21:59.814 ServerApp] 404 GET
>> /api/kernels/3506afee-ace1-456f-bffb-a6deb2557540?1745004119800
>> (127.0.0.1): Kernel does not exist: 3506afee-ace1-456f-bffb-a6deb2557540
>> [W 2025-04-18 15:21:59.814 ServerApp] wrote error: 'Kernel does not
>> exist: 3506afee-ace1-456f-bffb-a6deb2557540'
>> Traceback (most recent call last):
>> File
>> "/home/finotti/.venvs/myst/lib/python3.13/site-packages/tornado/web.py",
>> line 1790, in _execute
>> result = await result
>> ^^^^^^^^^^^^
>> File
>> "/home/finotti/.venvs/myst/lib/python3.13/site-packages/jupyter_server/auth/decorator.py",
>> line 73, in inner
>> return await out
>> ^^^^^^^^^
>> File
>> "/home/finotti/.venvs/myst/lib/python3.13/site-packages/jupyter_server/services/kernels/handlers.py",
>> line 75, in get
>> model = await ensure_async(km.kernel_model(kernel_id))
>> ~~~~~~~~~~~~~~~^^^^^^^^^^^
>> File
>> "/home/finotti/.venvs/myst/lib/python3.13/site-packages/jupyter_server/services/kernels/kernelmanager.py",
>> line 508, in kernel_model
>> self._check_kernel_id(kernel_id)
>> ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
>> File
>> "/home/finotti/.venvs/myst/lib/python3.13/site-packages/jupyter_server/services/kernels/kernelmanager.py",
>> line 539, in _check_kernel_id
>> raise web.HTTPError(404, "Kernel does not exist: %s" % kernel_id)
>> tornado.web.HTTPError: HTTP 404: Not Found (Kernel does not exist:
>> 3506afee-ace1-456f-bffb-a6deb2557540)
>> [W 2025-04-18 15:21:59.817 ServerApp] 404 GET
>> /api/kernels/3506afee-ace1-456f-bffb-a6deb2557540?1745004119800 (
>> c7e9310ebc904a61...@127.0.0.1) 3.51ms referer=
>> http://localhost:8888/lab/tree/Untitled2.ipynb
>>
>> --
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