ModuleNotFoundError: No module named 'tree'

[adokhugi]

Microsoft Windows [Version 10.0.22631.4460]
(c) Microsoft Corporation. Alle Rechte vorbehalten.

C:\Users\Acer\source\repos\alphafold>python run_alphafold_test.py
Traceback (most recent call last):
File "C:\Users\Acer\source\repos\alphafold\run_alphafold_test.py", line 22, in
import run_alphafold
File "C:\Users\Acer\source\repos\alphafold\run_alphafold.py", line 31, in
from alphafold.common import protein
File "C:\Users\Acer\source\repos\alphafold\alphafold\common\protein.py", line 23, in
from alphafold.common import residue_constants
File "C:\Users\Acer\source\repos\alphafold\alphafold\common\residue_constants.py", line 23, in
import tree
ModuleNotFoundError: No module named 'tree'

C:\Users\Acer\source\repos\alphafold>

I tried pip install dm-tree, it did not help.