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
```

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