Commits
Joris Van den Bossche authored and GitHub committed 0bb2d83a3bb
GH-33976: [Python] Remove usage of TableGroupBy helper in favor of pyarrow.acero.Declaration (#34769) ### Rationale for this change Now we have the pyarrow.acero building blocks (GH-33976), we can easily construct the Declaration, which `arrow::compute::TableGroupBy` creates under the hood, ourselves in pyarrow. ### Are these changes tested? Existing tests are passing. ### Are there any user-facing changes? No Authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> Signed-off-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>