Remove `datashader` from requirements and rebuild to get support for Python=3.11

[valeriupredoi]

Hey guys, @robertjwilson and myself are discussing allowing support for python=3.11 for nctookits in https://github.com/conda-forge/nctoolkit-feedstock/issues/58 and we came along here - geoviews is currently limited to not supporting python=3.11 unless if it's very old (v1.5) since datashader needs numba that in turn doesn't support 3.11 - as it is nicely mentioned in geoviews' setup.py - but, given that datashader is only a recommended dependency, and used only for running Jupyter notebooks (as far as I could see), would it be an option to remove it from the package's requirements in the conda recipe and rebuild? That'd be good for python=3.11 support, not so good for users running those Jupyter notebooks, but alas, the PyPI package doesn't have datashader as a dependency. Many packages allow for recommended deps these days, but they don't explicitly list them as core deps in their conda recipes, exactly because of possible conflicts (and ease of maintaining a lighter env), so that'd not be a biggie :grin: Cheers :beer:

[hoxbro]

I think this is already available with geoviews-core. Same functionality but without all the dependencies.

geoviews-core on conda-forge should equal the geoviews on PyPi.

[robertjwilson]

Thanks @Hoxbro. I wasn't aware of geoviews-core. Switching to that as a requirement on conda should solve the problem.

[valeriupredoi]

cheers, gents! Will close this then, if there's a need, can always reopen - good stuff! :beer: