Add missing type hint
The input argument `file_path` to the `_read` method of `Seq2SeqDatasetReader` was missing a type hint (`str`)
@@ -79,7 +79,7 @@ class Seq2SeqDatasetReader(DatasetReader):
self._target_max_exceeded = 0
@overrides
- def _read(self, file_path):
+ def _read(self, file_path: str):
# Reset exceeded counts
self._source_max_exceeded = 0
self._target_max_exceeded = 0
