UnpicklingError #1686
Description
I'm trying to forecast sales values for future periods.
Previously, everything worked fine on a laptop, but on a PC, an error occurs.
Even the test example does not work.
Python 3.13, neuralprophet 0.8.0, pytorch-lightning 1.9.5 are installed.
The full text of the output is below.
WARNING - (NP.forecaster.fit) - When Global modeling with local normalization, metrics are displayed in normalized scale.
WARNING - (py.warnings._showwarnmsg) - C:\Users\user\anaconda3\Lib\site-packages\neuralprophet\df_utils.py:1152: FutureWarning: Series.view is deprecated and will be removed in a future version. Use astype as an alternative to change the dtype.
converted_ds = pd.to_datetime(ds_col, utc=True).view(dtype=np.int64)
INFO - (NP.df_utils._infer_frequency) - Major frequency D corresponds to 99.966% of the data.
INFO - (NP.df_utils._infer_frequency) - Dataframe freq automatically defined as D
INFO - (NP.config.init_data_params) - Setting normalization to global as only one dataframe provided for training.
INFO - (NP.utils.set_auto_seasonalities) - Disabling daily seasonality. Run NeuralProphet with daily_seasonality=True to override this.
INFO - (NP.config.set_auto_batch_epoch) - Auto-set batch_size to 64
INFO - (NP.config.set_auto_batch_epoch) - Auto-set epochs to 80
WARNING - (NP.config.set_lr_finder_args) - Learning rate finder: The number of batches (47) is too small than the required number for the learning rate finder (237). The results might not be optimal.
Missing logger folder: C:\Users\user\PycharmProjects\kamtent_forecasting\lightning_logs
Finding best initial lr: 0%| | 0/237 [00:00<?, ?it/s]
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(1) In PyTorch 2.6, we changed the default value of the weights_only argument in torch.load from False to True. Re-running torch.load with weights_only set to False will likely succeed, but it can result in arbitrary code execution. Do it only if you got the file from a trusted source.
(2) Alternatively, to load with weights_only=True please check the recommended steps in the following error message.
WeightsUnpickler error: Unsupported global: GLOBAL neuralprophet.configure.ConfigSeasonality was not an allowed global by default. Please use torch.serialization.add_safe_globals([ConfigSeasonality]) or the torch.serialization.safe_globals([ConfigSeasonality]) context manager to allowlist this global if you trust this class/function.
Check the documentation of torch.load to learn more about types accepted by default with weights_only https://pytorch.org/docs/stable/generated/torch.load.html.