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/6852#issuecomment-1200473092,https://api.github.com/repos/pydata/xarray/issues/6852,1200473092,IC_kwDOAMm_X85HjcQE,17813788,2022-07-31T18:11:12Z,2022-07-31T18:11:12Z,NONE,"keep_attrs=True doesn't help
```python
In [1]: import xarray as xr
In [2]: xr.set_options(keep_attrs=True)
Out[2]: <xarray.core.options.set_options at 0x1789a959fa0>
In [3]: da_withunits = xr.DataArray([1, 1, 1], coords={""frequency"": [1, 2, 3]})
In [4]: da_withunits.frequency.attrs[""units""] = ""GHz""
In [5]: da_withunits.frequency.units
Out[5]: 'GHz'
In [6]: da_withoutunits = xr.DataArray([1, 1, 1], coords={""frequency"": [1, 2, 3]})
In [7]: da_withunits == da_withoutunits
Out[7]:
<xarray.DataArray (frequency: 3)>
array([ True,  True,  True])
Coordinates:
  * frequency  (frequency) int32 1 2 3

In [8]: da_withunits.frequency.units
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Input In [8], in <cell line: 1>()
----> 1 da_withunits.frequency.units
File ~\AppData\Local\Programs\Python\Python39\lib\site-packages\xarray\core\common.py:256, in AttrAccessMixin.__getattr__(self, name)
    254         with suppress(KeyError):
    255             return source[name]
--> 256 raise AttributeError(
    257     f""{type(self).__name__!r} object has no attribute {name!r}""
    258 )
AttributeError: 'DataArray' object has no attribute 'units'
```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1323521079