fix error message in method Site.get_comments_on_answers to commit 5…

…19a19d

src/pystackapi/site.py

@@ -146,7 +146,7 @@ def get_comment(self, c_id: int, **kwargs: Any) -> Item | None:
     def get_comments_on_answers(self, ids: Iterable[int], **kwargs: Any) -> list[Item]:
         """Returns the comments on a set of answers."""
         if not ids:
-            raise BadArgumentsError('the `ids` argument should be a non empty list.')
+            raise BadArgumentsError('the `ids` argument should be a non empty iterable object.')
         return [Item(data) for data in
                 self.get(f'answers/{";".join(map(str, ids))}/comments/', **kwargs)['items']]