html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/pull/5892#issuecomment-951920043,https://api.github.com/repos/pydata/xarray/issues/5892,951920043,IC_kwDOAMm_X844vSWr,10194086,2021-10-26T13:06:32Z,2021-10-26T13:06:32Z,MEMBER,"There is no setuptools=40.4 for python 3.8. The lowest version available for py38 is 41.6.0 (see below). conda/ mamba has just a very confusing error message that is the wrong way round. I think it starts with the newest build that satisfies the version and then goes back until it arrives at the py27 version which it cannot install (which it then reports)... ``` conda search conda-forge::setuptools=40.4.3 Loading channels: done # Name Version Build Channel setuptools 40.4.3 py27_0 conda-forge setuptools 40.4.3 py35_0 conda-forge setuptools 40.4.3 py36_0 conda-forge setuptools 40.4.3 py37_0 conda-forge ``` Oldest available version for python 3.8: ``` conda search conda-forge::setuptools[build=py38*] Loading channels: done # Name Version Build Channel setuptools 41.6.0 py38_1 conda-forge setuptools 42.0.0 py38_0 conda-forge ... setuptools 58.2.0 py38h578d9bd_0 conda-forge ``` ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1034329171