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/7427#issuecomment-1445221673,https://api.github.com/repos/pydata/xarray/issues/7427,1445221673,IC_kwDOAMm_X85WJFUp,14371165,2023-02-25T22:51:37Z,2023-02-25T22:51:37Z,MEMBER,"This one is failing on CI / ubuntu-latest py3.9 bare-minimum, is it taking a path without flox installed perhaps?

```
___________ TestDataArrayGroupBy.test_groupby_fastpath_for_monotonic ___________
[gw2] linux -- Python 3.9.16 /home/runner/micromamba-root/envs/xarray-tests/bin/python

self = <xarray.tests.test_groupby.TestDataArrayGroupBy object at 0x7fbd9f461c10>

    def test_groupby_fastpath_for_monotonic(self):
        # Fixes https://github.com/pydata/xarray/issues/6220
        index = [1, 2, 3, 4, 7, 9, 10]
        array = DataArray(np.arange(len(index)), [(""idx"", index)])
        array_rev = array.copy().assign_coords({""idx"": index[::-1]})
        fwd = array.groupby(""idx"", squeeze=False)
        rev = array_rev.groupby(""idx"", squeeze=False)
    
        for gb in [fwd, rev]:
            assert all([isinstance(elem, slice) for elem in gb._group_indices])
    
        assert_identical(fwd.sum(), array)
>       assert_identical(rev.sum(), array_rev.sortby(""idx""))
E       AssertionError: Left and right DataArray objects are not identical
E       
E       Differing values:
E       L
E           array([0, 1, 2, 3, 4, 5, 6])
E       R
E           array([6, 5, 4, 3, 2, 1, 0])
E       Differing coordinates:
E       L * idx      (idx) int64 10 9 7 4 3 2 1
E       R * idx      (idx) int64 1 2 3 4 7 9 10
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1523260646