fix on rethinkdb

asyncdb/drivers/rethink.py

@@ -713,13 +713,19 @@ async def write(
             if isinstance(data, list) and len(data) > batch_size:
                 # Handle batch insertion for large lists
                 for start in range(0, len(data), batch_size):
+                    self._logger.debug(
+                        f"Rethink: Saving batch {start + 1} to {start + batch_size} of {len(data)} records"
+                    )
                     batch = data[start:start + batch_size]
                     result = await self._batch_insert(table, batch, on_conflict, changes, durability)
                     if result["errors"] > 0:
                         raise DriverError(
                             f"INSERT Error in batch: {result['first_error']}"
                         )
-                return {"inserted": len(data), "batches": (len(data) + batch_size - 1) // batch_size}
+                return {
+                    "inserted": len(data),
+                    "batches": (len(data) + batch_size - 1) // batch_size
+                }
             else:
                 result = await self._batch_insert(table, data, on_conflict, changes, durability)
                 if result["errors"] > 0: