options: add TODO for SafeLoader

chartify/_core/options.py

@@ -108,6 +108,7 @@ def _from_yaml(self, filename):
         Overwrites any options that are specified in the yaml file.
         """
         # Note: We assume that the contents of the config file are trusted
+        # TODO: Change this file format to be plain yaml so we can use SafeLoader
         yaml_options = yaml.load(open(filename), Loader=yaml.UnsafeLoader)
         self._options.update(yaml_options)