I am trying to run a workflow through Jupyternotebook and am having issue with itkwidgets. The error I receive is “ModuleNotFoundError: No Module named ‘itkwidgets'”. The problem is, I have installed itkwidgets.

1. I think the issue has to do with my install of itkwidgets. When I try to install itkwidgets using pip install itkwidgets I get the output below. I’m questioning why it is saved in so many different locations, especially considering I cleared my computer completely in the process of trying to figure this out.

   (base) amarabrinks@Amara-Brinks-Computer:~$ pip install itkwidget 
   

   Requirement already satisfied: itkwidgets in ./anaconda3/lib/python3.12/site-packages (0.14.0)
   

   Requirement already satisfied: itk-core>=4.13.1 in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (5.4.0)
   

   Requirement already satisfied: ipydatawidgets>=3.2.0 in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (4.3.2)
   

   Requirement already satisfied: ipywidgets>=7.4.0 in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (7.8.1)
   

   Requirement already satisfied: ipympl in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (0.9.4)
   

   Requirement already satisfied: numpy in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (1.26.4)
   

   Requirement already satisfied: scipy in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (1.13.1)
   

   Requirement already satisfied: six in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (1.16.0)
   

   Requirement already satisfied: zstandard in ./anaconda3/lib/python3.12/site-packages (from itkwidgets) (0.22.0)
   

   Requirement already satisfied: traittypes>=0.2.0 in ./anaconda3/lib/python3.12/site-packages (from ipydatawidgets>=3.2.0->itkwidgets) (0.2.1)
   

   Requirement already satisfied: comm>=0.1.3 in ./anaconda3/lib/python3.12/site-packages (from ipywidgets>=7.4.0->itkwidgets) (0.2.1)
   

   Requirement already satisfied: ipython-genutils~=0.2.0 in ./anaconda3/lib/python3.12/site-packages (from ipywidgets>=7.4.0->itkwidgets) (0.2.0)
   

   Requirement already satisfied: traitlets>=4.3.1 in ./anaconda3/lib/python3.12/site-packages (from ipywidgets>=7.4.0->itkwidgets) (5.6.0)
   

   Requirement already satisfied: widgetsnbextension~=3.6.6 in ./anaconda3/lib/python3.12/site-packages (from ipywidgets>=7.4.0->itkwidgets) (3.6.6)
   

   Requirement already satisfied: ipython>=4.0.0 in ./anaconda3/lib/python3.12/site-packages (from ipywidgets>=7.4.0->itkwidgets) (8.21.0)
   

   Requirement already satisfied: jupyterlab-widgets<3,>=1.0.0 in ./anaconda3/lib/python3.12/site-packages (from ipywidgets>=7.4.0->itkwidgets) (1.0.0)
   

   Requirement already satisfied: matplotlib<4,>=3.4.0 in ./anaconda3/lib/python3.12/site-packages (from ipympl->itkwidgets) (3.8.4)
   

   Requirement already satisfied: pillow in ./anaconda3/lib/python3.12/site-packages (from ipympl->itkwidgets) (10.3.0)
   

   Requirement already satisfied: decorator in ./anaconda3/lib/python3.12/site-packages (from ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (5.1.1)
   

   Requirement already satisfied: jedi>=0.16 in ./anaconda3/lib/python3.12/site-packages (from ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.18.1)
   

   Requirement already satisfied: matplotlib-inline in ./anaconda3/lib/python3.12/site-packages (from ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.1.6)
   

   Requirement already satisfied: prompt-toolkit<3.1.0,>=3.0.41 in ./anaconda3/lib/python3.12/site-packages (from ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (3.0.43)
   

   Requirement already satisfied: pygments>=2.4.0 in ./anaconda3/lib/python3.12/site-packages (from ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (2.15.1)
   

   Requirement already satisfied: stack-data in ./anaconda3/lib/python3.12/site-packages (from ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.2.0)
   

   Requirement already satisfied: pexpect>4.3 in ./anaconda3/lib/python3.12/site-packages (from ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (4.8.0)
   

   Requirement already satisfied: contourpy>=1.0.1 in ./anaconda3/lib/python3.12/site-packages (from matplotlib<4,>=3.4.0->ipympl->itkwidgets) (1.2.0)
   

   Requirement already satisfied: cycler>=0.10 in ./anaconda3/lib/python3.12/site-packages (from matplotlib<4,>=3.4.0->ipympl->itkwidgets) (0.11.0)
   

   Requirement already satisfied: fonttools>=4.22.0 in ./anaconda3/lib/python3.12/site-packages (from matplotlib<4,>=3.4.0->ipympl->itkwidgets) (4.51.0)
   

   Requirement already satisfied: kiwisolver>=1.3.1 in ./anaconda3/lib/python3.12/site-packages (from matplotlib<4,>=3.4.0->ipympl->itkwidgets) (1.4.4)
   

   Requirement already satisfied: packaging>=20.0 in ./anaconda3/lib/python3.12/site-packages (from matplotlib<4,>=3.4.0->ipympl->itkwidgets) (23.2)
   

   Requirement already satisfied: pyparsing>=2.3.1 in ./anaconda3/lib/python3.12/site-packages (from matplotlib<4,>=3.4.0->ipympl->itkwidgets) (3.0.9)
   

   Requirement already satisfied: python-dateutil>=2.7 in ./anaconda3/lib/python3.12/site-packages (from matplotlib<4,>=3.4.0->ipympl->itkwidgets) (2.9.0.post0)
   

   Requirement already satisfied: notebook>=4.4.1 in ./anaconda3/lib/python3.12/site-packages (from widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (6.4.13)
   

   Requirement already satisfied: parso<0.9.0,>=0.8.0 in ./anaconda3/lib/python3.12/site-packages (from jedi>=0.16->ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.8.3)
   

   Requirement already satisfied: jinja2 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (3.1.4)
   

   Requirement already satisfied: tornado>=6.1 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (6.4.1)
   

   Requirement already satisfied: pyzmq>=17 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (25.1.2)
   

   Requirement already satisfied: argon2-cffi in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (21.3.0)
   

   Requirement already satisfied: jupyter-core>=4.6.1 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (5.7.2)
   

   Requirement already satisfied: jupyter-client>=5.3.4 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (8.6.0)
   

   Requirement already satisfied: nbformat in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (5.9.2)
   

   Requirement already satisfied: nbconvert>=5 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (7.10.0)
   

   Requirement already satisfied: nest-asyncio>=1.5 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (1.6.0)
   

   Requirement already satisfied: ipykernel in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (6.28.0)
   

   Requirement already satisfied: Send2Trash>=1.8.0 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (1.8.2)
   

   Requirement already satisfied: terminado>=0.8.3 in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.17.1)
   

   Requirement already satisfied: prometheus-client in ./anaconda3/lib/python3.12/site-packages (from notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.14.1)
   

   Requirement already satisfied: ptyprocess>=0.5 in ./anaconda3/lib/python3.12/site-packages (from pexpect>4.3->ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.7.0)
   

   Requirement already satisfied: wcwidth in ./anaconda3/lib/python3.12/site-packages (from prompt-toolkit<3.1.0,>=3.0.41->ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.2.5)
   

   Requirement already satisfied: executing in ./anaconda3/lib/python3.12/site-packages (from stack-data->ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.8.3)
   

   Requirement already satisfied: asttokens in ./anaconda3/lib/python3.12/site-packages (from stack-data->ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (2.0.5)
   

   Requirement already satisfied: pure-eval in ./anaconda3/lib/python3.12/site-packages (from stack-data->ipython>=4.0.0->ipywidgets>=7.4.0->itkwidgets) (0.2.2)
   

   Requirement already satisfied: platformdirs>=2.5 in ./anaconda3/lib/python3.12/site-packages (from jupyter-core>=4.6.1->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (3.10.0)
   

   Requirement already satisfied: beautifulsoup4 in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (4.12.3)
   

   Requirement already satisfied: bleach!=5.0.0 in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (4.1.0)
   

   Requirement already satisfied: defusedxml in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.7.1)
   

   Requirement already satisfied: jupyterlab-pygments in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.1.2)
   

   Requirement already satisfied: markupsafe>=2.0 in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (2.1.3)
   

   Requirement already satisfied: mistune<4,>=2.0.3 in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (2.0.4)
   

   Requirement already satisfied: nbclient>=0.5.0 in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.8.0)
   

   Requirement already satisfied: pandocfilters>=1.4.1 in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (1.5.0)
   

   Requirement already satisfied: tinycss2 in ./anaconda3/lib/python3.12/site-packages (from nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (1.2.1)
   

   Requirement already satisfied: fastjsonschema in ./anaconda3/lib/python3.12/site-packages (from nbformat->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (2.16.2)
   

   Requirement already satisfied: jsonschema>=2.6 in ./anaconda3/lib/python3.12/site-packages (from nbformat->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (4.19.2)
   

   Requirement already satisfied: argon2-cffi-bindings in ./anaconda3/lib/python3.12/site-packages (from argon2-cffi->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (21.2.0)
   

   Requirement already satisfied: debugpy>=1.6.5 in ./anaconda3/lib/python3.12/site-packages (from ipykernel->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (1.6.7)
   

   Requirement already satisfied: psutil in ./anaconda3/lib/python3.12/site-packages (from ipykernel->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (5.9.0)
   

   Requirement already satisfied: webencodings in ./anaconda3/lib/python3.12/site-packages (from bleach!=5.0.0->nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.5.1)
   

   Requirement already satisfied: attrs>=22.2.0 in ./anaconda3/lib/python3.12/site-packages (from jsonschema>=2.6->nbformat->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (23.1.0)
   

   Requirement already satisfied: jsonschema-specifications>=2023.03.6 in ./anaconda3/lib/python3.12/site-packages (from jsonschema>=2.6->nbformat->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (2023.7.1)
   

   Requirement already satisfied: referencing>=0.28.4 in ./anaconda3/lib/python3.12/site-packages (from jsonschema>=2.6->nbformat->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.30.2)
   

   Requirement already satisfied: rpds-py>=0.7.1 in ./anaconda3/lib/python3.12/site-packages (from jsonschema>=2.6->nbformat->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (0.10.6)
   

   Requirement already satisfied: cffi>=1.0.1 in ./anaconda3/lib/python3.12/site-packages (from argon2-cffi-bindings->argon2-cffi->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (1.16.0)
   

   Requirement already satisfied: soupsieve>1.2 in ./anaconda3/lib/python3.12/site-packages (from beautifulsoup4->nbconvert>=5->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (2.5)
   

   Requirement already satisfied: pycparser in ./anaconda3/lib/python3.12/site-packages (from cffi>=1.0.1->argon2-cffi-bindings->argon2-cffi->notebook>=4.4.1->widgetsnbextension~=3.6.6->ipywidgets>=7.4.0->itkwidgets) (2.21)
   

2. When I look into the extensions installed for jupyter using “Jupyter labextension list” I see the following:

   `sys_prefix` level settings are read-only, using `user` level for migration to `lockedExtensions`
   JupyterLab v4.2.5
   /home/amarabrinks/.local/share/jupyter/labextensions
           jupyterlab_pygments v0.3.0 enabled OK (python, jupyterlab_pygments)
           @jupyter-notebook/lab-extension v7.2.2 enabled OK
           @voila-dashboards/jupyterlab-preview v2.3.7 enabled OK (python, voila)
           @jupyter-widgets/jupyterlab-manager v5.0.13 enabled OK (python, jupyterlab_widgets)
   
   Other labextensions (built into JupyterLab)
      app dir: /home/amarabrinks/.local/share/jupyter/lab
   
   

3. At this point I have tried everything my fairly novice skill level can think of. I’ve deleted and reinstalled anaconda, jupyter, pip, nodejs, itkwidgets, ipywidgets.