- pa.field("test_chars",pa.int32()),
- pa.field("revert",pa.bool_()),
- pa.field("reverteds",pa.list_(pa.int64())),
+ pa.field("text_chars",pa.int32()),
+ pa.field("revert",pa.bool_(), nullable=True),
+ pa.field("reverteds",pa.list_(pa.int64()), nullable=True),