only pin h5py version on non-mac platforms, since mac seems to be unaffected by file locking problem. fix windows permission error

pdm.lock

@@ -5,7 +5,7 @@
 groups = ["default", "arrays", "dask", "dev", "docs", "hdf5", "tests", "video", "zarr"]
 strategy = ["cross_platform", "inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:a780500141cbf9d8453d464395951aed95cfba9bda9c82012f747c357ae6bb19"
+content_hash = "sha256:dee4ba1fabeacedf80f85b145bcb2ef83a2005cac6454f9672eb9a873cadd70b"
 
 [[metadata.targets]]
 requires_python = "~=3.9"

pyproject.toml

@@ -53,7 +53,8 @@ dask = [
     "dask>=2024.4.0",
 ]
 hdf5 = [
-    "h5py>=3.10.0,<3.12.0"
+    "h5py>=3.10.0,<3.12.0;sys_platform!='darwin'",
+    "h5py>=3.10.0;sys_platform=='darwin'",
 ]
 video = [
     "opencv-python>=4.9.0.80",

tests/test_serialization.py

@@ -82,17 +82,9 @@ def test_relative_to_root_dir():
     beneath the root directory (eg `/data`) even if they exist
 
     """
-    try:
-        root = Path().resolve().parents[-1]
-    except IndexError:
-        root = Path("/").resolve()
-
-    test_path = None
-    for path in root.iterdir():
-        if path.is_dir():
-            test_path = path
-
-    assert test_path is not None
+    # try:
+    this_file = Path(__file__).resolve()
+    test_path = this_file.parents[-2]
 
     test_data = {"some_field": str(test_path)}