update imports to look in namedarray module

Author: TomNicholas

cubed_xarray/cubedmanager.py

@@ -12,8 +12,8 @@
 from tlz import partition
 
 from xarray.core import utils
-from xarray.core.parallelcompat import ChunkManagerEntrypoint
-from xarray.core.pycompat import is_chunked_array, is_duck_dask_array
+from xarray.namedarray.parallelcompat import ChunkManagerEntrypoint
+from xarray.namedarray.pycompat import is_chunked_array, is_duck_dask_array
 
 
 if TYPE_CHECKING:

cubed_xarray/tests/test_wrapping.py

@@ -1,5 +1,5 @@
 import xarray as xr
-from xarray.core.parallelcompat import list_chunkmanagers
+from xarray.namedarray.parallelcompat import list_chunkmanagers
 import cubed
 
 from cubed_xarray.cubedmanager import CubedManager