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/4913#issuecomment-803281142,https://api.github.com/repos/pydata/xarray/issues/4913,803281142,MDEyOklzc3VlQ29tbWVudDgwMzI4MTE0Mg==,14808389,2021-03-20T09:48:59Z,2021-03-20T09:52:13Z,MEMBER,"the issue here is that if `y is None` we pretend `y=hue`: https://github.com/pydata/xarray/blob/fbd48d4307502f7dbe8afa37b84df59e74407820/xarray/plot/plot.py#L68
So we either need to refactor `_infer_xy_labels` or call `_assert_valid_xy(darray, hue, ""hue"")` before the call to `_infer_xy_labels`.

Edit: I think I would prefer the refactor, but the `_assert_valid_xy` fix is a single line...","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,809323722