Errno 'jupyter-labextension' not found

[Airyzf]

I got error when I ran the code "jupyter labextension install jupyter-ros "

Error executing Jupyter command 'labextension': [Errno 'jupyter-labextension' not found] 2

[wolfv]

can you install jupyter lab first? pip install jupyterlab

[Airyzf]

can you install jupyter lab first? pip install jupyterlab

thanks, I got it.

[Airyzf]

can you install jupyter lab first? pip install jupyterlab

oh no, I got another error

D:\python\jupyter-ros-master>jupyter nbextension install --py --symlink --sys-prefix jupyros The rospy package is not found in your $PYTHONPATH. Subscribe and publish are not going to work. Do you need to activate your ROS environment? Installing d:\python\jupyter-ros-master\jupyros\static -> jupyter-ros Symlinking: D:\Anaconda3\envs\tf2test\share\jupyter\nbextensions\jupyter-ros -> d:\python\jupyter-ros-master\jupyros\static Traceback (most recent call last): File "D:\Anaconda3\envs\tf2test\Scripts\jupyter-nbextension-script.py", line 10, in sys.exit(main()) File "D:\Anaconda3\envs\tf2test\lib\site-packages\jupyter_core\application.py", line 266, in launch_instance return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs) File "D:\Anaconda3\envs\tf2test\lib\site-packages\traitlets\config\application.py", line 658, in launch_instance app.start() File "D:\Anaconda3\envs\tf2test\lib\site-packages\notebook\nbextensions.py", line 988, in start super(NBExtensionApp, self).start() File "D:\Anaconda3\envs\tf2test\lib\site-packages\jupyter_core\application.py", line 255, in start self.subapp.start() File "D:\Anaconda3\envs\tf2test\lib\site-packages\notebook\nbextensions.py", line 716, in start self.install_extensions() File "D:\Anaconda3\envs\tf2test\lib\site-packages\notebook\nbextensions.py", line 695, in install_extensions **kwargs File "D:\Anaconda3\envs\tf2test\lib\site-packages\notebook\nbextensions.py", line 225, in install_nbextension_python destination=dest, logger=logger File "D:\Anaconda3\envs\tf2test\lib\site-packages\notebook\nbextensions.py", line 184, in install_nbextension os.symlink(path, full_dest) OSError: symbolic link privilege not held

[spdaly]

Installing extensions with the jupyter labextension install command is now deprecated and will be removed in a future major version of JupyterLab.