diff --git a/home/python.nix b/home/python.nix
index aef1d31..050edb4 100644
--- a/home/python.nix
+++ b/home/python.nix
@@ -3,46 +3,6 @@
   home.packages = [
     pkgs.poetry
 
-    (pkgs.python3.withPackages (
-      ppkgs: with ppkgs; [
-        pip
-        numpy
-        sympy
-        scipy
-        matplotlib
-        requests
-        pandas
-        scikit-learn
-        nltk
-        huggingface-hub
-        flask
-        gunicorn
-        torch
-        opencv-python
-        pillow
-        keras
-        tqdm
-        tkinter
-        ipykernel
-        pyyaml
-        authlib
-        litellm
-        flake8
-        pycryptodome
-        seaborn
-        docling-core
-        openai
-        transformers
-        langchain
-        langchain-community
-        pydantic
-        pydantic-core
-        datasets
-        tokenizers
-        accelerate
-        peft
-        bitsandbytes
-      ]
-    ))
+    (pkgs.python3.withPackages (import ../modules/python-packages.nix))
   ];
 }
diff --git a/hosts/legolas/configuration.nix b/hosts/legolas/configuration.nix
index b1fb121..97e0535 100644
--- a/hosts/legolas/configuration.nix
+++ b/hosts/legolas/configuration.nix
@@ -31,9 +31,9 @@
     ../../modules/powerprofiles.nix
     ../../modules/basePackages.nix
     ../../modules/develPackages.nix
-    ../../modules/jupyterhub.nix
+    #../../modules/jupyterhub.nix
     ../../modules/blog.nix
-    ../../modules/ollama.nix
+    #../../modules/ollama.nix
     #../../modules/docling.nix # temp for dev ... Waiting for non broken docling-serve
     ../../modules/kdeconnect.nix
     ../../modules/desktopApplications.nix
diff --git a/modules/desktopApplications.nix b/modules/desktopApplications.nix
index fe85f4c..61a77d3 100644
--- a/modules/desktopApplications.nix
+++ b/modules/desktopApplications.nix
@@ -34,10 +34,9 @@
     prusa-slicer
     freecad-wayland
     openscad-unstable
-    kicad
-    easyeda2kicad
+    #kicad  # somehow stalls building.
+    #easyeda2kicad # could not build
 
-    #kicad-unstable
     easyeffects
     musescore
     mpv
diff --git a/modules/develPackages.nix b/modules/develPackages.nix
index 9de4a61..8f8324d 100644
--- a/modules/develPackages.nix
+++ b/modules/develPackages.nix
@@ -48,37 +48,11 @@
     nodejs-slim
     node2nix
 
-    jupyter
-
     uv
     poetry
     thonny
 
-    (python3.withPackages (
-      ps: with ps; [
-        ipykernel
-        flask
-        flask-sqlalchemy
-        flask-socketio
-        werkzeug
-        pyyaml
-        authlib
-        litellm
-        requests
-        flake8
-        torch
-        pycryptodome
-        numpy
-        scipy
-        pandas
-        matplotlib
-        vispy
-        pyvista
-        pygame
-        seaborn
-        scikit-learn
-      ]
-    ))
+    (python3.withPackages (import ./python-packages.nix))
 
     github-copilot-cli
 
diff --git a/modules/jupyterhub.nix b/modules/jupyterhub.nix
index ab5bf6f..71e5a3f 100644
--- a/modules/jupyterhub.nix
+++ b/modules/jupyterhub.nix
@@ -5,50 +5,31 @@
   ...
 }:
 let
+  myPythonPackages = import ./python-packages.nix;
+
   myPython = pkgs.python3;
 
   myJupyterHubEnv = myPython.withPackages (
-    ps: with ps; [
+    ps:
+    with ps;
+    [
       jupyterhub
       jupyterhub-systemdspawner
-      ipython
-      jupyterlab
-      notebook
-      ipykernel
-      numpy
-      scipy
-      pandas
-      matplotlib
-      seaborn
-      scikit-learn
     ]
+    ++ myPythonPackages ps
   );
 
   myJupyterLabEnv = myPython.withPackages (
-    ps: with ps; [
+    ps:
+    with ps;
+    [
       jupyterhub
-      jupyterlab
-      ipykernel
-      numpy
-      scipy
-      pandas
-      matplotlib
-      seaborn
-      scikit-learn
     ]
+    ++ myPythonPackages ps
   );
 
 in
 {
-  environment.systemPackages = with pkgs; [
-    python3Packages.numpy
-    python3Packages.scipy
-    python3Packages.pandas
-    python3Packages.matplotlib
-    python3Packages.seaborn
-    python3Packages.scikit-learn
-  ];
-
   users.users.tdt4117 = {
     isNormalUser = true;
     home = "/home/tdt4117";
@@ -72,35 +53,7 @@ in
     kernels = {
       python3 =
         let
-          env = (
-            pkgs.python3.withPackages (
-              pythonPackages: with pythonPackages; [
-                ipykernel
-                pandas
-                scikit-learn
-                seaborn
-                huggingface-hub
-                datasets
-                matplotlib
-                tqdm
-                numpy
-                scipy
-                pip
-                torch
-                torchvision
-                lightning
-                numpy
-                scipy
-                matplotlib
-                scikit-image
-                jupyterlab
-                ipykernel
-                pillow
-                tqdm
-                pandas
-              ]
-            )
-          );
+          env = pkgs.python3.withPackages myPythonPackages;
         in
         {
           displayName = "Python 3 for machine learning";
diff --git a/modules/python-packages.nix b/modules/python-packages.nix
new file mode 100644
index 0000000..2c86ce7
--- /dev/null
+++ b/modules/python-packages.nix
@@ -0,0 +1,51 @@
+ps: with ps; [
+  ipykernel
+  jupyter
+  jupyterlab
+  notebook
+  numpy
+  scipy
+  pandas
+  matplotlib
+  seaborn
+  scikit-learn
+  scikit-image
+  sympy
+  nltk
+  huggingface-hub
+  datasets
+  tokenizers
+  transformers
+  accelerate
+  peft
+  bitsandbytes
+  torch
+  torchvision
+  lightning
+  keras
+  opencv-python
+  pillow
+  pyvista
+  vispy
+  pygame
+  tqdm
+  flask
+  flask-sqlalchemy
+  flask-socketio
+  werkzeug
+  gunicorn
+  requests
+  pyyaml
+  authlib
+  litellm
+  openai
+  langchain
+  langchain-community
+  pydantic
+  pydantic-core
+  docling-core
+  pycryptodome
+  flake8
+  pip
+  tkinter
+]