Fix the deps changes of xarray datatree

Author: Mr-Milk

pyproject.toml

@@ -13,7 +13,7 @@ requires-python = ">=3.7"
 dynamic = ["version", "description"]
 
 dependencies = [
-    "spatialdata>=0.2.2",
+    "spatialdata>=0.2.6",
     "opencv-python",
     "openslide-python",
     "tiffslide",

wsidata/reader/_reader_datatree.py

@@ -21,8 +21,7 @@
 from ..reader import TiffSlideReader
 from ..reader.base import ReaderBase
 
-from xarray import open_zarr, DataArray
-from datatree import DataTree
+from xarray import open_zarr, DataArray, DataTree
 from spatialdata.models import Image2DModel
 from spatialdata.transformations import Identity, Scale