Mike Zhong

> Truncate transform with pyarrow was added in 0.9.0 [50c33aa#diff-59b88b08481bfa59240342994e8dc16b34f4e9b28fb05540beb7dd22af8c036fR864-R865](https://github.com/apache/iceberg-python/commit/50c33aa0119d9e2478b3865d864ec23a7c45b1d7#diff-59b88b08481bfa59240342994e8dc16b34f4e9b28fb05540beb7dd22af8c036fR864-R865) > > > ModuleNotFoundError: No module named 'pyiceberg_core' > > you'd need to install the extra `pyiceberg-core` > > [iceberg-python/pyproject.toml](https://github.com/apache/iceberg-python/blob/1c0e2b04c383e5d90118ffce2066dcdb95193c4a/pyproject.toml#L307)...

@kevinjqliu Would you be able to provide an example for the `BucketTransform`? Here is the schema ```python def create_lems_schema() -> Schema: """ Create and return the PyArrow schema for lems...

I am able to create the partition spec with `TruncateTransform` and am able to write, however, when looping over chunks of 10k records and writing, like so: ```python for i,...