Replace fs with fsspec

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (83f2b2b) 100.00% compared to head (01f0e24) 100.00%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #523 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 128 128 Lines 12306 12256 -50 ========================================= - Hits 12306 12256 -50 ``` | [Files](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project) | Coverage Δ | | |---|---|---| | [fugue/\_\_init\_\_.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWUvX19pbml0X18ucHk=) | `100.00% <ø> (ø)` | | | [fugue/\_utils/io.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWUvX3V0aWxzL2lvLnB5) | `100.00% <100.00%> (ø)` | | | [fugue/dataframe/utils.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWUvZGF0YWZyYW1lL3V0aWxzLnB5) | `100.00% <100.00%> (ø)` | | | [fugue/execution/execution\_engine.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWUvZXhlY3V0aW9uL2V4ZWN1dGlvbl9lbmdpbmUucHk=) | `100.00% <ø> (ø)` | | | [fugue/execution/native\_execution\_engine.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWUvZXhlY3V0aW9uL25hdGl2ZV9leGVjdXRpb25fZW5naW5lLnB5) | `100.00% <100.00%> (ø)` | | | [fugue/workflow/\_checkpoint.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWUvd29ya2Zsb3cvX2NoZWNrcG9pbnQucHk=) | `100.00% <100.00%> (ø)` | | | [fugue\_dask/\_io.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWVfZGFzay9faW8ucHk=) | `100.00% <100.00%> (ø)` | | | [fugue\_dask/execution\_engine.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWVfZGFzay9leGVjdXRpb25fZW5naW5lLnB5) | `100.00% <100.00%> (ø)` | | | [fugue\_duckdb/\_io.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWVfZHVja2RiL19pby5weQ==) | `100.00% <100.00%> (ø)` | | | [fugue\_duckdb/execution\_engine.py](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project#diff-ZnVndWVfZHVja2RiL2V4ZWN1dGlvbl9lbmdpbmUucHk=) | `100.00% <100.00%> (ø)` | | | ... and [6 more](https://app.codecov.io/gh/fugue-project/fugue/pull/523?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=fugue-project) | |

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