bump min version to dask>=2024.08.1

Author: dcherian

xarray/namedarray/daskmanager.py

@@ -257,10 +257,11 @@ def shuffle(
     ) -> DaskArray:
         import dask.array
 
-        if not module_available("dask", minversion="2024.08.0"):
+        if not module_available("dask", minversion="2024.08.1"):
             raise ValueError(
-                "This method is very inefficient on dask<2024.08.0. Please upgrade."
+                "This method is very inefficient on dask<2024.08.1. Please upgrade."
             )
-        if chunks is not None:
-            raise NotImplementedError
-        return dask.array.shuffle(x, indexer, axis)
+        chunks = chunks or "auto"
+        if chunks != "auto":
+            raise NotImplementedError("Only chunks='auto' is supported at present.")
+        return dask.array.shuffle(x, indexer, axis, chunks=chunks)

xarray/tests/__init__.py

@@ -106,7 +106,7 @@ def _importorskip(
     has_h5netcdf, requires_h5netcdf = _importorskip("h5netcdf")
 has_cftime, requires_cftime = _importorskip("cftime")
 has_dask, requires_dask = _importorskip("dask")
-has_dask_ge_2024_08_0, _ = _importorskip("dask", minversion="2024.08.0")
+has_dask_ge_2024_08_1, _ = _importorskip("dask", minversion="2024.08.1")
 with warnings.catch_warnings():
     warnings.filterwarnings(
         "ignore",

xarray/tests/test_groupby.py

@@ -23,7 +23,7 @@
     create_test_data,
     has_cftime,
     has_dask,
-    has_dask_ge_2024_08_0,
+    has_dask_ge_2024_08_1,
     has_flox,
     raise_if_dask_computes,
     requires_cftime,
@@ -600,7 +600,7 @@ def test_groupby_repr_datetime(obj) -> None:
     ],
 )
 def test_groupby_drops_nans(shuffle: bool, chunk: Literal[False] | dict) -> None:
-    if shuffle and chunk and not has_dask_ge_2024_08_0:
+    if shuffle and chunk and not has_dask_ge_2024_08_1:
         pytest.skip()
     # GH2383
     # nan in 2D data variable (requires stacking)
@@ -1330,7 +1330,7 @@ def test_groupby_sum(self) -> None:
     def test_groupby_reductions(
         self, use_flox: bool, method: str, shuffle: bool, chunk: bool
     ) -> None:
-        if shuffle and chunk and not has_dask_ge_2024_08_0:
+        if shuffle and chunk and not has_dask_ge_2024_08_1:
             pytest.skip()
 
         array = self.da