config download access

inference_sam.py

@@ -31,7 +31,8 @@ if not os.path.exists('model'):
   print(f"Read token:{token}")
   if token is None:
      print("warning! A read token in env variables is needed for authentication.")
-  snapshot_download(repo_id=REPO_ID, token=token,repo_type='model',local_dir='model')
+  else:
+    snapshot_download(repo_id=REPO_ID, token=token,repo_type='model',local_dir='model')
 
 model_path = os.path.join('model', 'sam_02-06_dice_mse_0.pth')
 sam = sam_model_registry["default"](model_path)