Pr-860-mirror

data_diff/__init__.py

@@ -14,7 +14,7 @@
 def connect_to_table(
  db_info: Union[str, dict],
  table_name: Union[DbPath, str],
- key_columns: str = ("id",),
+ key_columns: Tuple[str] = ("id",),
  thread_count: Optional[int] = 1,
  **kwargs,
 ) -> TableSegment: