DOC: defaults in read_parquet parameters (#7567)
DOC: defaults in read_parquet parameters (#7567)

* DOC: defaults in docstring

* put on same line

Co-authored-by: raybellwaves <c96e541fb509d3c61c97a08f3dce572cc618213d@gmail.com>
jakirkham/dask,jakirkham/dask,dask/dask,dask/dask,blaze/dask,blaze/dask