id,node_id,number,title,user,state,locked,assignee,milestone,comments,created_at,updated_at,closed_at,author_association,active_lock_reason,draft,pull_request,body,reactions,performed_via_github_app,state_reason,repo,type
508167922,MDU6SXNzdWU1MDgxNjc5MjI=,3409,test failure with upstream-dev,2448579,closed,0,,,12,2019-10-17T00:34:32Z,2019-11-19T14:06:46Z,2019-11-19T14:06:46Z,MEMBER,,,,"https://dev.azure.com/xarray/xarray/_build/results?buildId=1101&view=logs

```
=================================== FAILURES ===================================
_________________________ test_datetime_reduce[False] __________________________

dask = False

    @arm_xfail
    @pytest.mark.parametrize(""dask"", [False, True])
    def test_datetime_reduce(dask):
        time = np.array(pd.date_range(""15/12/1999"", periods=11))
        time[8:11] = np.nan
        da = DataArray(np.linspace(0, 365, num=11), dims=""time"", coords={""time"": time})
    
        if dask and has_dask:
            chunks = {""time"": 5}
            da = da.chunk(chunks)
    
        actual = da[""time""].mean()
>       assert not pd.isnull(actual)
E       AssertionError: assert not True
E        +  where True = <function isna at 0x7f2475449ae8>(<xarray.DataArray 'time' ()>\narray('NaT', dtype='datetime64[ns]'))
E        +    where <function isna at 0x7f2475449ae8> = pd.isnull

xarray/tests/test_duck_array_ops.py:288: AssertionError
__________________________ test_datetime_reduce[True] __________________________

dask = True

    @arm_xfail
    @pytest.mark.parametrize(""dask"", [False, True])
    def test_datetime_reduce(dask):
        time = np.array(pd.date_range(""15/12/1999"", periods=11))
        time[8:11] = np.nan
        da = DataArray(np.linspace(0, 365, num=11), dims=""time"", coords={""time"": time})
    
        if dask and has_dask:
            chunks = {""time"": 5}
            da = da.chunk(chunks)
    
        actual = da[""time""].mean()
>       assert not pd.isnull(actual)
E       AssertionError: assert not True
E        +  where True = <function isna at 0x7f2475449ae8>(<xarray.DataArray 'time' ()>\narray('NaT', dtype='datetime64[ns]'))
E        +    where <function isna at 0x7f2475449ae8> = pd.isnull

xarray/tests/test_duck_array_ops.py:288: AssertionError
=============================== warnings summary 
```","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/3409/reactions"", ""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,completed,13221727,issue
508499635,MDExOlB1bGxSZXF1ZXN0MzI5MjgwODQ4,3412,Test that Dataset and DataArray resampling are identical,2448579,closed,0,,,0,2019-10-17T14:04:22Z,2019-10-22T19:42:12Z,2019-10-22T19:42:09Z,MEMBER,,0,pydata/xarray/pulls/3412,"<!-- Feel free to remove check-list items aren't relevant to your change -->

 - [x] Closes #2362
 - [x] Tests added
 - [x] Passes `black . && mypy . && flake8`
","{""url"": ""https://api.github.com/repos/pydata/xarray/issues/3412/reactions"", ""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,,13221727,pull