diff --git a/scripts/backtest_sites.py b/scripts/backtest_sites.py
index ca6c5313..87048b9c 100644
--- a/scripts/backtest_sites.py
+++ b/scripts/backtest_sites.py
@@ -70,9 +70,9 @@
 # checkpoint on the val set
 model_chckpoint_dir = "PLACEHOLDER"
 
-revision = None
-token = None
-model_id = None
+hf_revision = None
+hf_token = None
+hf_model_id = None
 
 # Forecasts will be made for all available init times between these
 start_datetime = "2022-05-08 00:00"
@@ -477,9 +477,9 @@ def main(config: DictConfig):
     # Create a dataloader for the concurrent batches and use multiprocessing
     dataloader = DataLoader(batch_pipe, **dataloader_kwargs)
     # Load the PVNet model
-    if model_chckpoint_dir is not None:
+    if model_chckpoint_dir:
         model, *_ = get_model_from_checkpoints([model_chckpoint_dir], val_best=True)
-    elif model_id is not None:
+    elif model_id:
         model = load_model_from_hf(model_id, revision, token)
     else:
         raise ValueError("Provide a model checkpoint or a HuggingFace model")