Change no feature or token to be a warning

src/submission/check_validity.py

@@ -626,9 +626,9 @@ def verify_causal_variable_submission(hf_repo, progress=gr.Progress()):
             variables_valid[curr_task][curr_variable] = True
 
     if num_py_files == 0:
-        errors.append("No featurizer .py file detected in root of provided repo.")
+        warnings.append("No featurizer.py or token_position.py files detected in root of provided repo. We will load from the code used for baseline evaluations.")
     elif num_py_files == 1:
-        errors.append("Found one .py script, but expected two: one for the featurizer, and another for the token position functions.")
+        warnings.append("Either featurizer.py or token_position.py files missing in root of provided repo. We will load from the code used for baseline evaluations.")
 
     task_set, model_set = set(), set()
     for tm in directories_present: