cleaner implementation

corrlib/trackers/datalad.py

@@ -14,9 +14,7 @@ def get(path: str, file: str) -> None:
 
 
 def save(path: str, message: str, files: Optional[list[str]]=None) -> None:
-    if files is None:
-        files = path
-    else:
+    if files is not None:
         files = [os.path.join(path, f) for f in files]
     dl.save(files, message=message, dataset=path)
     return