some random bug fixes

scripts/predict_model_sample.py

@@ -1,7 +1,7 @@
 from segger.data.io import XeniumSample
 from segger.training.train import LitSegger
 from segger.training.segger_data_module import SeggerDataModule
-from segger.prediction.predict import predict, load_model
+from segger.prediction.predict_gpu import predict, load_model
 from lightning.pytorch.loggers import CSVLogger
 from pytorch_lightning import Trainer
 from pathlib import Path
@@ -14,6 +14,7 @@
 import os
 import dask.dataframe as dd
 import pandas as pd
+from pathlib import Path
 
 
 segger_data_dir = Path('./data_tidy/pyg_datasets/bc_embedding_0919')