pa.field("title",pa.string()),
         pa.field("namespace",pa.int32()),
         pa.field("deleted",pa.bool_()),
-        pa.field("test_chars",pa.int32()),
+        pa.field("text_chars",pa.int32()),
         pa.field("revert",pa.bool_()),
         pa.field("reverteds",pa.list_(pa.int64())),
         pa.field("sha1",pa.string()),
 
         outtable = rows_to_table(self.parquet_buffer, self.schema)
         if self.pq_writer is None:
-            self.pq_writer = pq.ParquetWriter(self.output_file, schema, flavor='spark')
+            self.pq_writer = pq.ParquetWriter(self.output_file, self.schema, flavor='spark')
 
         self.pq_writer.write_table(outtable)
         self.parquet_buffer = []