docs: update tutorials

examples/morphologies/usage.py

@@ -15,7 +15,7 @@
 first_quarter = np.arange(len(special_branch)) < len(special_branch) / 4
 special_branch.label(["initial_segment"], first_quarter)
 # Assign random data as the `random_data` property to the branch
-special_branch.set_property(random_data=np.random.random(len(special_branch)))
+special_branch.set_properties(random_data=np.random.random(len(special_branch)))
 print(f"Random data for each point:", special_branch.random_data)
 
 network.morphologies.save("processed_morphology", morpho)

examples/tutorials/load_data.py

@@ -11,10 +11,10 @@
 print(f"My network has {len(scaffold.cell_types)} cell types")
 
 # Load placement information from the storage.
-for cell_type in scaffold.cell_types:
-    ps = cell_type.get_placement_set()
+for cell_type in scaffold.cell_types.items():
+    ps = cell_type[1].get_placement_set()
     pos = ps.load_positions()
-    print(f"{len(pos)} {cell_type.name} placed")
+    print(f"{len(pos)} {cell_type[1].name} placed")
     # The positions are a (Nx3) numpy array
     print("The median cell is located at", np.median(pos, axis=0))