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/5077#issuecomment-811074709,https://api.github.com/repos/pydata/xarray/issues/5077,811074709,MDEyOklzc3VlQ29tbWVudDgxMTA3NDcwOQ==,10194086,2021-03-31T13:37:21Z,2021-03-31T13:37:21Z,MEMBER,"The other issues have to be fixed in cftime, right?","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,841476745
https://github.com/pydata/xarray/issues/5077#issuecomment-808404576,https://api.github.com/repos/pydata/xarray/issues/5077,808404576,MDEyOklzc3VlQ29tbWVudDgwODQwNDU3Ng==,10194086,2021-03-26T17:43:28Z,2021-03-30T07:32:59Z,MEMBER,"Minimal example: 

```python
import pandas as pd
import cftime

time_1 = cftime.DatetimeGregorian(2000, 1, 1)
time_2 = cftime.DatetimeProlepticGregorian(2001, 1, 1)

s = pd.Series([time_1, time_2])

s.rank(method=""dense"", numeric_only=False)
```

https://github.com/pydata/xarray/blob/643e89ee7201e8bc730dcde19c3dc1c34fbd1ed5/xarray/core/combine.py#L96
https://github.com/pydata/xarray/blob/643e89ee7201e8bc730dcde19c3dc1c34fbd1ed5/xarray/tests/test_combine.py#L856

---
Edit: To clarify - the example is supposed to raise a `TypeError`. For cftime master it raises a `ValueError` which pandas ignores.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,841476745
https://github.com/pydata/xarray/issues/5077#issuecomment-808403420,https://api.github.com/repos/pydata/xarray/issues/5077,808403420,MDEyOklzc3VlQ29tbWVudDgwODQwMzQyMA==,10194086,2021-03-26T17:41:30Z,2021-03-26T17:41:30Z,MEMBER,See Unidata/cftime#236,"{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,841476745