I am running on a new remote server a code that used to work on another remote server. I think I setup things in the same way, but when I run my training script, I get this error:
Traceback (most recent call last):
File “train_model.py”, line 146, in
seq_len=seq_len, mname=mname)
File “/home/ds/AI-projects/hss_bearing_mk2/hss_bearing_mk2/models/pytorch_models.py”, line 322, in train_test
trainer.fit(model, datamodule=dm)
File “/home/ds/anaconda3/envs/hss_bearings/lib/python3.7/site-packages/pytorch_lightning/trainer/trainer.py”, line 552, in fit
self._run(model)
File “/home/ds/anaconda3/envs/hss_bearings/lib/python3.7/site-packages/pytorch_lightning/trainer/trainer.py”, line 849, in _run
self.config_validator.verify_loop_configurations(model)
File “/home/ds/anaconda3/envs/hss_bearings/lib/python3.7/site-packages/pytorch_lightning/trainer/configuration_validator.py”, line 34, in verify_loop_configurations
self.__verify_train_loop_configuration(model)
File “/home/ds/anaconda3/envs/hss_bearings/lib/python3.7/site-packages/pytorch_lightning/trainer/configuration_validator.py”, line 49, in __verify_train_loop_configuration
has_training_step = is_overridden(“training_step”, model)
File “/home/ds/anaconda3/envs/hss_bearings/lib/python3.7/site-packages/pytorch_lightning/utilities/model_helpers.py”, line 45, in is_overridden
> raise ValueError(“Expected a parent”)
Here is the part of code that looks buggy for some reason:
model = get_model(mname=mname)
dm = DataModule(
X_train=X_train,
y_train=y_train,
X_val=X_val,
y_val=y_val,
X_test=X_test,
y_test=y_test,
keys_train=keys_train,
keys_val=keys_val,
keys_test=keys_test,
seq_len=seq_len,
batch_size=batch_size,
num_workers=4
)
# trainer.logger_connector.callback_metrics
trainer.fit(model, datamodule=dm)
Is it something related to environment setup? Something overridden by something something??
EDIT: I tried to run my project locally in a newly created environment and I have the same error.
EDIT 2: My DataModule inherits from LightningDataModule
class DataModule(pl.LightningDataModule):