Fixing requirements

Author: sgoumaz

requirements.txt

@@ -7,14 +7,13 @@ notebook~=7.5.1
 jupyterlite-pyodide-kernel==0.7.0
 
 # JavaScript kernel (optional)
-jupyterlite-javascript-kernel==0.3.0
+# jupyterlite-javascript-kernel==0.3.0
+# P5 kernel (optional)
+# jupyterlite-p5-kernel==0.1.0
 
 # Language support (optional)
 jupyterlab-language-pack-fr-FR
 
-# P5 kernel (optional)
-jupyterlite-p5-kernel==0.1.0
-
 # JupyterLab: Fasta file renderer (optional)
 jupyterlab-fasta>=3.3.0,<4
 # JupyterLab: Geojson file renderer (optional)
@@ -36,6 +35,7 @@ ipycanvas>=0.9.1
 ipyleaflet
 
 # Python: libs used for teaching
+nbformat
 jupyturtle
 pandas
 numpy