ModuleNotFoundError: No module named 'lightning'

[binaryiiin]

Hello,when i am running the code
from pts.model.tempflow import TempFlowEstimator from pts.model.time_grad import TimeGradEstimator from pts.model.transformer_tempflow import TransformerTempFlowEstimator

I meet the error below

`---------------------------------------------------------------------------
ModuleNotFoundError Traceback (most recent call last)
Cell In[3], line 1
----> 1 from pts.model.tempflow import TempFlowEstimator
2 from pts.model.time_grad import TimeGradEstimator
3 from pts.model.transformer_tempflow import TransformerTempFlowEstimator

File D:\anaconda3\Lib\site-packages\pts\model_init_.py:2
1 from .utils import get_module_forward_input_names, weighted_average
----> 2 from .estimator import PyTorchEstimator

File D:\anaconda3\Lib\site-packages\pts\model\estimator.py:15
13 from gluonts.dataset.common import Dataset
14 from gluonts.model.estimator import Estimator
---> 15 from gluonts.torch.model.predictor import PyTorchPredictor
16 from gluonts.transform import SelectFields, Transformation
17 from gluonts.itertools import maybe_len

File D:\anaconda3\Lib\site-packages\gluonts\torch_init_.py:28
14 all = [
15 "PyTorchLightningEstimator",
16 "PyTorchPredictor",
(...)
25 "LagTSTEstimator",
26 ]
27 import torch
---> 28 from .model.estimator import PyTorchLightningEstimator
29 from .model.predictor import PyTorchPredictor
30 from .model.deep_npts import DeepNPTSEstimator

File D:\anaconda3\Lib\site-packages\gluonts\torch\model\estimator.py:18
15 import logging
17 import numpy as np
---> 18 import lightning.pytorch as pl
19 import torch.nn as nn
21 from gluonts.core.component import validated

ModuleNotFoundError: No module named 'lightning'`

[dracpet]

I get the same error when running the imports in the Quick Start example. Recently installed package and installation went without errors.
Installed in a Conda environment.

[gradyking]

+1 to both of you, I tried installing with pip install pytorchts, and simply running from pts.model.tempflow import TempFlowEstimator gives this error.

They haven't updated the requirements list since April 2022, so I looked at PyPI and found which versions of the libraries you need for each to emulate that working version:
Python 3.10
torch==1.11.0 gluonts==0.9.3 holidays==0.13 numpy==1.22.2 pandas==1.4.2 scipy==1.8.0 tqdm==4.64.0 matplotlib==3.5.1 tensorboard==2.8.0

After installing Python 3.10, then the libraries with pip install pytorchts torch==1.11.0 gluonts==0.9.3 holidays==0.13 numpy==1.22.2 pandas==1.4.2 scipy==1.8.0 tqdm==4.64.0 matplotlib==3.5.1 tensorboard==2.8.0, I was able to make the above import work, at least. I think gluonts added the lightning requirement sometime after April 2022 and this repo hasn't been updated yet.