![]() ![]() The error shows up when I try to run Jupyter Lab: As a result, Python 3.6 doesn't work anymore, and I believe I followed all the right procedures to install Python 3.9.5, followed by new installations of JupyterLab and all other packages I've been using. Point = self.extension_manager.extension_pointsįile “C:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\jupyter_server\extension\manager.py”, line 303, in extension_pointsįile “C:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\nbserver.py”, line 80, in extensionsĪttributeError: ‘ExtensionManager’ object has no attribute ‘_extensions’ Serverapp = cls.initialize_server(argv=args)įile “C:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\jupyter_server\extension\application.py”, line 540, in initialize_serverįile “C:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\traitlets\config\application.py”, line 88, in innerįile “C:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\jupyter_server\serverapp.py”, line 2341, in initialize ‘ExtensionManager’ object has no attribute ‘_extensions’įile “C:\Users…\AppData\Local\Continuum\anaconda3\Scripts\jupyter-lab-script.py”, line 9, inįile “C:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\jupyter_server\extension\application.py”, line 567, in launch_instance jupyterlab | extension was successfully linked. Help=_(""“extra paths to look for Javascript notebook extensions”"") Use _i18n() instead.Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\notebookapp.py:155: FutureWarning: The alias _() will be deprecated. ![]() This launches a Tornado based HTML Notebook Server that serves up an HTML5/Javascript Notebook client.""")Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\notebookapp.py:143: FutureWarning: The alias _() will be deprecated. Help=( (“Dict of Python modules to load as notebook server extensions.”Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\notebookapp.py:124: FutureWarning: The alias _() will be deprecated. Help=(""“The MathJax.js configuration file that is to be used.”"")Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:143: FutureWarning: The alias _() will be deprecated. Help= (""“extra paths to look for Javascript notebook extensions”"")Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:130: FutureWarning: The alias _() will be deprecated. Use _i18n() instead.Ĭan be used to override templates from notebook.templates.""")Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:85: FutureWarning: The alias _() will be deprecated. Help=(""“Path to search for custom.js, css”"")Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:76: FutureWarning: The alias _() will be deprecated. Help= (“Extra variables to supply to jinja templates when rendering.”),Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:62: FutureWarning: The alias _() will be deprecated. Help=(“Supply extra arguments that will be passed to Jinja environment.”))Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:29: FutureWarning: The alias _() will be deprecated. Help=(‘Deprecated: Use minified JS file or not, mainly use during dev to avoid JS recompilation’),Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:25: FutureWarning: The alias _() will be deprecated. (“Allow the notebook to be run from root user.”)Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\traits.py:20: FutureWarning: The alias _() will be deprecated. ![]() (“Don’t open the notebook in a browser after startup.”)Ĭ:\Users…r\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\notebookapp.py:89: FutureWarning: The alias _() will be deprecated. JupyterLab was starting this morning, and started failing after I updated some modules from within Anaconda.Ĭ:\Users…\AppData\Local\Continuum\anaconda3\lib\site-packages\nbclassic\notebookapp.py:73: FutureWarning: The alias _() will be deprecated. I am also unable to open JupyterLab from CMD.exe (error is same as specified below) I have attempted to downgrade from an earlier version of JupyterLab (that did not work, returned to 3.2.1) and restarted the system. I am unable to launch JupyterLab (3.2.1) from Anaconda. ![]()
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