ModuleNotFoundError using mesh_generation

Errors
1

Hello,

I was following a tutorial of @jsdokken (The Helmholtz equation — FEniCS 22 tutorial) but now I have the following error. As you can see, dolfinx is imported correctly. What causes this behavior? I already tried to update dolfinx and it is running on the latest version. Do I have to install something in addition?

Thanks for any advice!

Patrick

---------------------------------------------------------------------------
ModuleNotFoundError                       Traceback (most recent call last)
Cell In[2], line 1
----> 1 import fem
      2 import numpy as np
      4 fem = fem.fem()

File ~/fem.py:17
     15 import dolfinx.fem.petsc
     16 import ufl
---> 17 from mesh_generation import generate_mesh
     18 try: 
     19     import plotly 

ModuleNotFoundError: No module named 'mesh_generation'
2

You need to download the mesh generation file;