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/6726#issuecomment-1265721162,https://api.github.com/repos/pydata/xarray/issues/6726,1265721162,IC_kwDOAMm_X85LcV9K,43316012,2022-10-03T16:30:25Z,2022-10-03T16:30:25Z,COLLABORATOR,"> Nice. Does it work on python 3.8?

according to the docu it exists since 3.4.","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1284475176
https://github.com/pydata/xarray/issues/6726#issuecomment-1261491296,https://api.github.com/repos/pydata/xarray/issues/6726,1261491296,IC_kwDOAMm_X85LMNRg,43316012,2022-09-28T21:37:30Z,2022-09-28T21:38:37Z,COLLABORATOR,"I just checked, many backends are importing their external dependencies at module level with a try-except block.
This could be replaced by `importlib.util.find_spec`.

However, many backends also check for ImportErrors (not ModuleNotFoundError) that occur when a library is not correctly installed. I am not sure if in this case the backend should simply be disabled like it is now (At least cfgrib is raising a warning instead)?
Would it be a problem if this error is only appearing when actually trying to open a file? If that is the case, we could move to lazy external lib loading for the backends.

Not sure how much it actually saves, but should be ~0.2s (at least on my machine, but depends on the number of intalled backends, the fewer are installed the faster the import should be).","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1284475176
https://github.com/pydata/xarray/issues/6726#issuecomment-1257279640,https://api.github.com/repos/pydata/xarray/issues/6726,1257279640,IC_kwDOAMm_X85K8JCY,43316012,2022-09-25T21:05:38Z,2022-09-25T21:05:38Z,COLLABORATOR,"I think we could rework our backend solution to do the imports lazy:
To check if a file might be openable via some backend we usually do not need to import its dependency module.","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1284475176
https://github.com/pydata/xarray/issues/6726#issuecomment-1166335744,https://api.github.com/repos/pydata/xarray/issues/6726,1166335744,IC_kwDOAMm_X85FhN8A,43316012,2022-06-25T18:04:43Z,2022-06-25T18:04:43Z,COLLABORATOR,"Useful for debugging:
`python -X importtime -c ""import xarray""`","{""total_count"": 1, ""+1"": 1, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,1284475176