Fail to import scarches

[melancholy12]

import scarches

ModuleNotFoundError Traceback (most recent call last)
/tmp/ipykernel_119144/4038665422.py in
----> 1 import scarches

~/anaconda3/lib/python3.9/site-packages/scarches/init.py in
----> 1 from . import dataset, metrics, trainers, models, zenodo, plotting, utils, classifiers
2
3 author = ', '.join([
4 'Mohammad Lotfollahi',
5 'Sergei Rybakov',

~/anaconda3/lib/python3.9/site-packages/scarches/models/init.py in
----> 1 from .trvae.trvae import trVAE
2 from .trvae.trvae_model import TRVAE
3 from .trvae.adaptors import Adaptor, attach_adaptors
4 from .scgen.vaearith import vaeArith
5 from .scgen.vaearith_model import scgen

~/anaconda3/lib/python3.9/site-packages/scarches/models/trvae/trvae.py in
7
8 from .modules import Encoder, Decoder
----> 9 from .losses import mse, mmd, zinb, nb
10 from ._utils import one_hot_encoder
11 from ..base._base import CVAELatentsModelMixin

~/anaconda3/lib/python3.9/site-packages/scarches/models/trvae/losses.py in
----> 1 from scvi.distributions import NegativeBinomial
2 import torch
3 from torch.autograd import Variable
4 from torch.distributions import Poisson
5 import torch.nn.functional as F

ModuleNotFoundError: No module named 'scvi.distributions'

I cannot install scarches in python 3.9 because the torch 1.6.0 cannot be installed.
How can I solve this problem.? Thanks~

[melancholy12]

scv 2.0.0
scvelo 0.2.4
scvi 0.6.8
scvi-colab 0.11.0
scvi-tools 0.7.1
scArches 0.5.9

[Koncopd]

Looks like your scvi-tools version is too old, please try with ~0.14.
Feel free to reopen if still doesn't work.