[D 15:09:59.401 NotebookApp] Searching ['/home/boris', '/home/boris/.jupyter', '/home/boris/.local/etc/jupyter', '/usr/etc/jupyter', '/usr/local/etc/jupyter', '/etc/jupyter'] for config files [D 15:09:59.401 NotebookApp] Looking for jupyter_config in /etc/jupyter [D 15:09:59.402 NotebookApp] Looking for jupyter_config in /usr/local/etc/jupyter [D 15:09:59.402 NotebookApp] Looking for jupyter_config in /usr/etc/jupyter [D 15:09:59.403 NotebookApp] Looking for jupyter_config in /home/boris/.local/etc/jupyter [D 15:09:59.403 NotebookApp] Looking for jupyter_config in /home/boris/.jupyter [D 15:09:59.403 NotebookApp] Looking for jupyter_config in /home/boris [D 15:09:59.404 NotebookApp] Looking for jupyter_notebook_config in /etc/jupyter [D 15:09:59.404 NotebookApp] Looking for jupyter_notebook_config in /usr/local/etc/jupyter [D 15:09:59.404 NotebookApp] Looking for jupyter_notebook_config in /usr/etc/jupyter [D 15:09:59.404 NotebookApp] Looking for jupyter_notebook_config in /home/boris/.local/etc/jupyter [D 15:09:59.404 NotebookApp] Looking for jupyter_notebook_config in /home/boris/.jupyter [D 15:09:59.405 NotebookApp] Loaded config file: /home/boris/.jupyter/jupyter_notebook_config.py [D 15:09:59.405 NotebookApp] Looking for jupyter_notebook_config in /home/boris [I 15:09:59.406 NotebookApp] Using MathJax: /usr/lib/python3.10/site-packages/notebook/static/components/MathJax/mathjax2/MathJax.js [D 15:09:59.407 NotebookApp] Raising open file limit: soft 1024->4096; hard 524288->524288 [D 15:09:59.443 NotebookApp] Paths used for configuration of jupyter_notebook_config: /etc/jupyter/jupyter_notebook_config.d/jupyterlab.json /etc/jupyter/jupyter_notebook_config.json [D 15:09:59.444 NotebookApp] Paths used for configuration of jupyter_notebook_config: /usr/local/etc/jupyter/jupyter_notebook_config.json [D 15:09:59.444 NotebookApp] Paths used for configuration of jupyter_notebook_config: /usr/etc/jupyter/jupyter_notebook_config.json [D 15:09:59.444 NotebookApp] Paths used for configuration of jupyter_notebook_config: /home/boris/.local/etc/jupyter/jupyter_notebook_config.json [D 15:09:59.445 NotebookApp] Paths used for configuration of jupyter_notebook_config: /home/boris/.jupyter/jupyter_notebook_config.json [I 2022-03-17 15:10:00.839 LabApp] JupyterLab extension loaded from /usr/lib/python3.10/site-packages/jupyterlab [I 2022-03-17 15:10:00.839 LabApp] JupyterLab application directory is /usr/share/jupyter/lab [I 15:10:00.848 NotebookApp] Serving notebooks from local directory: /home/boris [I 15:10:00.848 NotebookApp] Jupyter Notebook 6.4.10 is running at: [I 15:10:00.848 NotebookApp] http://localhost:8888/?token=ee0d962828cdc419013a03c1fcbc7111861a7b608359845f [I 15:10:00.848 NotebookApp] or http://127.0.0.1:8888/?token=ee0d962828cdc419013a03c1fcbc7111861a7b608359845f [I 15:10:00.849 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). [C 15:10:00.942 NotebookApp] To access the notebook, open this file in a browser: file:///home/boris/.local/share/jupyter/runtime/nbserver-1388-open.html Or copy and paste one of these URLs: http://localhost:8888/?token=ee0d962828cdc419013a03c1fcbc7111861a7b608359845f or http://127.0.0.1:8888/?token=ee0d962828cdc419013a03c1fcbc7111861a7b608359845f [D 15:10:03.878 NotebookApp] Accepting token-authenticated connection from ::1 [D 15:10:03.879 NotebookApp] Using contents: services/contents [D 15:10:03.987 NotebookApp] Path base/images/favicon.ico served from /usr/lib/python3.10/site-packages/notebook/static/base/images/favicon.ico [D 15:10:03.991 NotebookApp] Path components/jquery-ui/themes/smoothness/jquery-ui.min.css served from /usr/lib/python3.10/site-packages/notebook/static/components/jquery-ui/themes/smoothness/jquery-ui.min.css [D 15:10:03.992 NotebookApp] Path components/jquery-typeahead/dist/jquery.typeahead.min.css served from /usr/lib/python3.10/site-packages/notebook/static/components/jquery-typeahead/dist/jquery.typeahead.min.css [D 15:10:03.993 NotebookApp] Path style/style.min.css served from /usr/lib/python3.10/site-packages/notebook/static/style/style.min.css [D 15:10:03.996 NotebookApp] Path components/es6-promise/promise.min.js served from /usr/lib/python3.10/site-packages/notebook/static/components/es6-promise/promise.min.js [D 15:10:03.997 NotebookApp] Path components/react/react.production.min.js served from /usr/lib/python3.10/site-packages/notebook/static/components/react/react.production.min.js [D 15:10:03.998 NotebookApp] Path components/react/react-dom.production.min.js served from /usr/lib/python3.10/site-packages/notebook/static/components/react/react-dom.production.min.js [D 15:10:04.002 NotebookApp] Path components/create-react-class/index.js served from /usr/lib/python3.10/site-packages/notebook/static/components/create-react-class/index.js [D 15:10:04.002 NotebookApp] Path components/requirejs/require.js served from /usr/lib/python3.10/site-packages/notebook/static/components/requirejs/require.js [D 15:10:04.004 NotebookApp] Path base/images/logo.png served from /usr/lib/python3.10/site-packages/notebook/static/base/images/logo.png [D 15:10:04.007 NotebookApp] Path tree/js/main.min.js served from /usr/lib/python3.10/site-packages/notebook/static/tree/js/main.min.js [D 15:10:04.014 NotebookApp] 200 GET /tree?token=ee0d962828cdc419013a03c1fcbc7111861a7b608359845f (::1) 136.150000ms [D 15:10:04.110 NotebookApp] Path custom.css served from /usr/lib/python3.10/site-packages/notebook/static/custom/custom.css [D 15:10:04.111 NotebookApp] 304 GET /custom/custom.css (::1) 2.410000ms [D 15:10:04.378 NotebookApp] Path services/contents.js served from /usr/lib/python3.10/site-packages/notebook/static/services/contents.js [D 15:10:04.379 NotebookApp] 200 GET /static/services/contents.js?v=20220317150959 (::1) 2.450000ms [D 15:10:04.408 NotebookApp] Paths used for configuration of tree: /etc/jupyter/nbconfig/tree.json [D 15:10:04.409 NotebookApp] Paths used for configuration of tree: /usr/local/etc/jupyter/nbconfig/tree.json [D 15:10:04.410 NotebookApp] Paths used for configuration of tree: /usr/etc/jupyter/nbconfig/tree.json [D 15:10:04.411 NotebookApp] Paths used for configuration of tree: /home/boris/.local/etc/jupyter/nbconfig/tree.json [D 15:10:04.412 NotebookApp] Paths used for configuration of tree: /home/boris/.jupyter/nbconfig/tree.json [D 15:10:04.414 NotebookApp] 200 GET /api/config/tree?_=1647519004285 (::1) 8.870000ms [D 15:10:04.417 NotebookApp] Paths used for configuration of common: /etc/jupyter/nbconfig/common.json [D 15:10:04.418 NotebookApp] Paths used for configuration of common: /usr/local/etc/jupyter/nbconfig/common.json [D 15:10:04.418 NotebookApp] Paths used for configuration of common: /usr/etc/jupyter/nbconfig/common.json [D 15:10:04.419 NotebookApp] Paths used for configuration of common: /home/boris/.local/etc/jupyter/nbconfig/common.json [D 15:10:04.420 NotebookApp] Paths used for configuration of common: /home/boris/.jupyter/nbconfig/common.json [D 15:10:04.420 NotebookApp] 200 GET /api/config/common?_=1647519004286 (::1) 5.570000ms [D 15:10:04.593 NotebookApp] 200 GET /api/terminals?_=1647519004287 (::1) 1.560000ms [D 15:10:04.597 NotebookApp] Found kernel sagemath in /usr/share/jupyter/kernels [D 15:10:04.598 NotebookApp] Found kernel python3 in /usr/share/jupyter/kernels [D 15:10:05.397 NotebookApp] 304 GET /api/kernelspecs (::1) 803.110000ms [D 15:10:05.402 NotebookApp] 200 GET /api/terminals?_=1647519004289 (::1) 3.080000ms [D 15:10:05.404 NotebookApp] 200 GET /api/sessions?_=1647519004288 (::1) 3.690000ms [D 15:10:05.405 NotebookApp] Path custom.js served from /usr/lib/python3.10/site-packages/notebook/static/custom/custom.js [D 15:10:05.406 NotebookApp] 200 GET /custom/custom.js?v=20220317150959 (::1) 4.530000ms [D 15:10:05.437 NotebookApp] 200 GET /api/contents?type=directory&_=1647519004290 (::1) 13.270000ms [D 15:10:21.183 NotebookApp] 200 GET /api/sessions?_=1647519004291 (::1) 2.210000ms [D 15:10:21.185 NotebookApp] 200 GET /api/terminals?_=1647519004292 (::1) 1.410000ms [D 15:10:21.216 NotebookApp] 200 GET /api/contents?type=directory&_=1647519004293 (::1) 13.390000ms [D 15:10:22.646 NotebookApp] 200 GET /api/contents/Codes?type=directory&_=1647519004294 (::1) 2.510000ms [D 15:10:48.872 NotebookApp] 200 GET /api/sessions?_=1647519004295 (::1) 1.640000ms [D 15:10:48.878 NotebookApp] 200 GET /api/terminals?_=1647519004296 (::1) 1.100000ms [D 15:10:48.897 NotebookApp] 200 GET /api/contents/Codes?type=directory&_=1647519004297 (::1) 1.880000ms [I 15:10:56.325 NotebookApp] Creating new notebook in /Codes [D 15:10:56.328 NotebookApp] Saving /home/boris/Codes/Untitled1.ipynb [D 15:10:56.343 NotebookApp] 201 POST /api/contents/Codes (::1) 19.620000ms [D 15:10:56.363 NotebookApp] Using contents: services/contents [D 15:10:56.435 NotebookApp] Path base/images/favicon-notebook.ico served from /usr/lib/python3.10/site-packages/notebook/static/base/images/favicon-notebook.ico [D 15:10:56.436 NotebookApp] Path components/bootstrap-tour/build/css/bootstrap-tour.min.css served from /usr/lib/python3.10/site-packages/notebook/static/components/bootstrap-tour/build/css/bootstrap-tour.min.css [D 15:10:56.437 NotebookApp] Path components/codemirror/lib/codemirror.css served from /usr/lib/python3.10/site-packages/notebook/static/components/codemirror/lib/codemirror.css [D 15:10:56.438 NotebookApp] Path notebook/css/override.css served from /usr/lib/python3.10/site-packages/notebook/static/notebook/css/override.css [W 15:10:56.869 NotebookApp] Config option `template_path` not recognized by `LenvsHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:56.879 NotebookApp] Config option `template_path` not recognized by `LenvsHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:56.923 NotebookApp] Config option `template_path` not recognized by `LenvsTocHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:56.936 NotebookApp] Config option `template_path` not recognized by `LenvsTocHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.023 NotebookApp] Config option `template_path` not recognized by `LenvsLatexExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.028 NotebookApp] Config option `template_path` not recognized by `LenvsLatexExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.413 NotebookApp] Config option `template_path` not recognized by `LenvsSlidesExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.421 NotebookApp] Config option `template_path` not recognized by `LenvsSlidesExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.626 NotebookApp] Config option `template_path` not recognized by `LenvsHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.640 NotebookApp] Config option `template_path` not recognized by `LenvsHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.682 NotebookApp] Config option `template_path` not recognized by `LenvsTocHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.696 NotebookApp] Config option `template_path` not recognized by `LenvsTocHTMLExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.783 NotebookApp] Config option `template_path` not recognized by `LenvsLatexExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:57.789 NotebookApp] Config option `template_path` not recognized by `LenvsLatexExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:58.111 NotebookApp] Config option `template_path` not recognized by `LenvsSlidesExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [W 15:10:58.119 NotebookApp] Config option `template_path` not recognized by `LenvsSlidesExporter`. Did you mean one of: `extra_template_paths, template_name, template_paths`? [D 15:10:58.174 NotebookApp] Path components/text-encoding/lib/encoding.js served from /usr/lib/python3.10/site-packages/notebook/static/components/text-encoding/lib/encoding.js [D 15:10:58.175 NotebookApp] Path notebook/js/main.min.js served from /usr/lib/python3.10/site-packages/notebook/static/notebook/js/main.min.js [D 15:10:58.189 NotebookApp] 200 GET /notebooks/Codes/Untitled1.ipynb?kernel_name=python3 (::1) 1827.150000ms [D 15:10:58.246 NotebookApp] Using contents: services/contents [W 15:10:58.259 NotebookApp] 404 GET /usr/lib/python3.10/site-packages/notebook/static/components/MathJax/mathjax2/MathJax.js%20?config=TeX-AMS-MML_HTMLorMML-full,Safe&delayStartupUntil=configured (::1) 14.910000ms referer=http://localhost:8888/notebooks/Codes/Untitled1.ipynb?kernel_name=python3 [D 15:10:58.263 NotebookApp] 304 GET /custom/custom.css (::1) 2.100000ms [D 15:10:58.576 NotebookApp] Paths used for configuration of notebook: /etc/jupyter/nbconfig/notebook.d/widgetsnbextension.json /etc/jupyter/nbconfig/notebook.json [D 15:10:58.577 NotebookApp] Paths used for configuration of notebook: /usr/local/etc/jupyter/nbconfig/notebook.json [D 15:10:58.578 NotebookApp] Paths used for configuration of notebook: /usr/etc/jupyter/nbconfig/notebook.json [D 15:10:58.579 NotebookApp] Paths used for configuration of notebook: /home/boris/.local/etc/jupyter/nbconfig/notebook.json [D 15:10:58.580 NotebookApp] Paths used for configuration of notebook: /home/boris/.jupyter/nbconfig/notebook.json [D 15:10:58.581 NotebookApp] 200 GET /api/config/notebook?_=1647519058368 (::1) 8.300000ms [D 15:10:58.583 NotebookApp] Paths used for configuration of common: /etc/jupyter/nbconfig/common.json [D 15:10:58.584 NotebookApp] Paths used for configuration of common: /usr/local/etc/jupyter/nbconfig/common.json [D 15:10:58.585 NotebookApp] Paths used for configuration of common: /usr/etc/jupyter/nbconfig/common.json [D 15:10:58.586 NotebookApp] Paths used for configuration of common: /home/boris/.local/etc/jupyter/nbconfig/common.json [D 15:10:58.587 NotebookApp] Paths used for configuration of common: /home/boris/.jupyter/nbconfig/common.json [D 15:10:58.587 NotebookApp] 200 GET /api/config/common?_=1647519058369 (::1) 5.560000ms [D 15:10:58.640 NotebookApp] Found kernel sagemath in /usr/share/jupyter/kernels [D 15:10:58.640 NotebookApp] Found kernel python3 in /usr/share/jupyter/kernels [D 15:10:58.643 NotebookApp] 304 GET /api/kernelspecs (::1) 4.980000ms [D 15:10:58.688 NotebookApp] 200 GET /api/contents/Codes/Untitled1.ipynb?type=notebook&_=1647519058370 (::1) 5.930000ms [D 15:10:58.693 NotebookApp] 304 GET /custom/custom.js?v=20220317150959 (::1) 1.140000ms [D 15:10:58.792 NotebookApp] 200 GET /api/contents/Codes/Untitled1.ipynb/checkpoints?_=1647519058371 (::1) 2.070000ms [D 15:10:58.799 NotebookApp] Path jupyter-js-widgets/extension.js served from /usr/share/jupyter/nbextensions/jupyter-js-widgets/extension.js [D 15:10:58.802 NotebookApp] 200 GET /nbextensions/jupyter-js-widgets/extension.js?v=20220317150959 (::1) 5.880000ms [D 15:10:58.848 NotebookApp] Instantiating kernel 'Python 3 (ipykernel)' with kernel provisioner: local-provisioner [D 15:10:58.861 NotebookApp] Starting kernel: ['/usr/bin/python', '-m', 'ipykernel_launcher', '-f', '/home/boris/.local/share/jupyter/runtime/kernel-c7c71cd0-ab1b-45af-b19c-c451676f39e3.json'] [D 15:10:58.867 NotebookApp] Connecting to: tcp://127.0.0.1:56169 [D 15:10:58.879 NotebookApp] Connecting to: tcp://127.0.0.1:56231 [I 15:10:58.881 NotebookApp] Kernel started: c7c71cd0-ab1b-45af-b19c-c451676f39e3, name: python3 [D 15:10:58.882 NotebookApp] Kernel args: {'kernel_name': 'python3', 'cwd': '/home/boris/Codes'} [D 15:10:58.884 NotebookApp] 201 POST /api/sessions (::1) 50.470000ms [D 15:10:58.932 NotebookApp] Initializing websocket connection /api/kernels/c7c71cd0-ab1b-45af-b19c-c451676f39e3/channels [D 15:10:58.935 NotebookApp] Requesting kernel info from c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:58.935 NotebookApp] Connecting to: tcp://127.0.0.1:45595 [D 15:10:59.806 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (starting) [D 15:10:59.926 NotebookApp] Path base/images/favicon-busy-1.ico served from /usr/lib/python3.10/site-packages/notebook/static/base/images/favicon-busy-1.ico [D 15:10:59.926 NotebookApp] 304 GET /static/base/images/favicon-busy-1.ico (::1) 1.450000ms [D 15:10:59.934 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (busy) [D 15:10:59.935 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (idle) [D 15:10:59.936 NotebookApp] Received kernel info: {'status': 'ok', 'protocol_version': '5.3', 'implementation': 'ipython', 'implementation_version': '8.1.1', 'language_info': {'name': 'python', 'version': '3.10.2', 'mimetype': 'text/x-python', 'codemirror_mode': {'name': 'ipython', 'version': 3}, 'pygments_lexer': 'ipython3', 'nbconvert_exporter': 'python', 'file_extension': '.py'}, 'banner': "Python 3.10.2 (main, Jan 15 2022, 19:56:27) [GCC 11.1.0]\nType 'copyright', 'credits' or 'license' for more information\nIPython 8.1.1 -- An enhanced Interactive Python. Type '?' for help.\n", 'help_links': [{'text': 'Python Reference', 'url': 'https://docs.python.org/3.10'}, {'text': 'IPython Reference', 'url': 'https://ipython.org/documentation.html'}, {'text': 'NumPy Reference', 'url': 'https://docs.scipy.org/doc/numpy/reference/'}, {'text': 'SciPy Reference', 'url': 'https://docs.scipy.org/doc/scipy/reference/'}, {'text': 'Matplotlib Reference', 'url': 'https://matplotlib.org/contents.html'}, {'text': 'SymPy Reference', 'url': 'http://docs.sympy.org/latest/index.html'}, {'text': 'pandas Reference', 'url': 'https://pandas.pydata.org/pandas-docs/stable/'}]} [D 15:10:59.937 NotebookApp] 101 GET /api/kernels/c7c71cd0-ab1b-45af-b19c-c451676f39e3/channels?session_id=4da00eb85dbc452284e1edbde1def55b (::1) 1005.400000ms [D 15:10:59.938 NotebookApp] Opening websocket /api/kernels/c7c71cd0-ab1b-45af-b19c-c451676f39e3/channels [D 15:10:59.938 NotebookApp] Getting buffer for c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:59.938 NotebookApp] Connecting to: tcp://127.0.0.1:56231 [D 15:10:59.938 NotebookApp] Connecting to: tcp://127.0.0.1:45595 [D 15:10:59.939 NotebookApp] Connecting to: tcp://127.0.0.1:56169 [D 15:10:59.939 NotebookApp] Connecting to: tcp://127.0.0.1:47595 [D 15:10:59.940 NotebookApp] Connecting to: tcp://127.0.0.1:45595 [D 15:10:59.940 NotebookApp] Connecting to: tcp://127.0.0.1:56169 [D 15:10:59.941 NotebookApp] Nudge: attempt 1 on kernel c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:59.945 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (busy) [D 15:10:59.945 NotebookApp] Nudge: IOPub received: c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:59.945 NotebookApp] Nudge: resolving iopub future: c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:59.946 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (busy) [D 15:10:59.947 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (idle) [D 15:10:59.947 NotebookApp] Nudge: shell info reply received: c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:59.947 NotebookApp] Nudge: resolving shell future: c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:59.948 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (idle) [D 15:10:59.948 NotebookApp] Nudge: control info reply received: c7c71cd0-ab1b-45af-b19c-c451676f39e3 [D 15:10:59.957 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (busy) [IPKernelApp] ERROR | No such comm target registered: jupyter.widget.control [D 15:10:59.960 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (idle) [IPKernelApp] WARNING | No such comm: a2705ae9-6166-4347-bd6f-e9b7655598a6 [D 15:10:59.965 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (busy) [D 15:10:59.968 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: comm_close [D 15:10:59.970 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (idle) [D 15:10:59.972 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (busy) [D 15:10:59.974 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (idle) [D 15:10:59.988 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (busy) [D 15:10:59.991 NotebookApp] activity on c7c71cd0-ab1b-45af-b19c-c451676f39e3: status (idle)