DataFrame.merge raises with AttributeError · Issue #6142 ...
github.com › dask › daskApr 27, 2020 · On Fri, Jun 12, 2020 at 5:54 PM Matthew Turner ***@***.***> wrote: Hello, I get the same AttributeError: 'numpy.ndarray' object has no attribute 'categories'after concatenating two dask dataframes with categorical columns. Will preserving categoricals inmerge_chunk` as referenced above by Tom fix the issue on concat as well? Thanks!