Beginner: tutorial_dhnx_pandapipes issue

[jteixidor]

I'm trying to run the tutorial "dhnx_pandapipes.ipynb." Following the example, everything runs fine until point 14, "Initialize Thermal Network."
At this point, I receive this error, as do all the example files:

---

AttributeError Traceback (most recent call last)
Cell In[15], line 12
9 print(f"Network is consistent: {network.is_consistent()}")
11 # Create NetworkX graph representation
---> 12 network.nx_graph = network.to_nx_undirected_graph()
13 g = network.nx_graph
15 # Check connectivity

AttributeError: 'ThermalNetwork' object has no attribute 'to_nx_undirected_graph'

How can I solve this problem?