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 ([email protected]) 3.51ms referer=http://localhost:8888/lab/tree/Untitled2.ipynb -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/sage-support/4277238c-269b-45fb-9f3e-ee54680ed37dn%40googlegroups.com.
