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/issues/7546#issuecomment-1438742082,https://api.github.com/repos/pydata/xarray/issues/7546,1438742082,IC_kwDOAMm_X85VwXZC,883786,2023-02-21T16:10:21Z,2023-02-21T16:10:21Z,CONTRIBUTOR,@keewis The problem only occurs if flox is _not_ installed.,"{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1593602847
https://github.com/pydata/xarray/issues/7546#issuecomment-1438735599,https://api.github.com/repos/pydata/xarray/issues/7546,1438735599,IC_kwDOAMm_X85VwVzv,883786,2023-02-21T16:06:11Z,2023-02-21T16:06:11Z,CONTRIBUTOR,"@keewis I get different output. This is with xarray 2022.12.0

![image](https://user-images.githubusercontent.com/883786/220397408-55be5624-4ad5-4935-a37a-156f93e7b8c7.png)
","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1593602847
https://github.com/pydata/xarray/issues/7546#issuecomment-1438647770,https://api.github.com/repos/pydata/xarray/issues/7546,1438647770,IC_kwDOAMm_X85VwAXa,14808389,2023-02-21T15:09:43Z,2023-02-21T15:09:43Z,MEMBER,"Could you post the output you get? If I try it locally, I get:
```python
In [3]: import xarray as xr
   ...: import pandas as pd
   ...: import numpy as np
   ...: 
   ...: da = xr.DataArray(
   ...:     np.array([1, 2, 3, 1, 2, np.nan]),
   ...:     dims=""time"",
   ...:     coords=dict(
   ...:         time=(""time"", pd.date_range(""01-01-2001"", freq=""M"", periods=6)),
   ...:         labels=(""time"", np.array([""a"", ""b"", ""c"", ""c"", ""b"", ""a""])),
   ...:     ),
   ...: )
   ...: da.labels.attrs[""units""] = ""a.u.""
   ...: 
   ...: ds = xr.Dataset(dict(da=da))
   ...: ds.attrs[""units""] = ""V""
   ...: display(ds)
   ...: 
   ...: m = ds.groupby(""labels"").mean(keep_attrs=True)
   ...: display(m)
   ...: display(m.labels)  # labels has attribute for units
<xarray.Dataset>
Dimensions:  (time: 6)
Coordinates:
  * time     (time) datetime64[ns] 2001-01-31 2001-02-28 ... 2001-06-30
    labels   (time) <U1 'a' 'b' 'c' 'c' 'b' 'a'
Data variables:
    da       (time) float64 1.0 2.0 3.0 1.0 2.0 nan
Attributes:
    units:    V
<xarray.Dataset>
Dimensions:  (labels: 3)
Coordinates:
  * labels   (labels) object 'a' 'b' 'c'
Data variables:
    da       (labels) float64 1.0 2.0 2.0
Attributes:
    units:    V
<xarray.DataArray 'labels' (labels: 3)>
array(['a', 'b', 'c'], dtype=object)
Coordinates:
  * labels   (labels) object 'a' 'b' 'c'
Attributes:
    units:    a.u.
```
which looks fine to me? But maybe I'm missing something?","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1593602847