fix: address pre-commit linting issues

- Simplify if/return pattern in _is_lazy_anndata (SIM103)
- Add missing TableModel import in test fixture (F821)
- Use modern np.random.Generator instead of np.random.rand (NPY002)

Author: Tomatokeftes

src/spatialdata/models/models.py

@@ -67,9 +67,7 @@ def _is_lazy_anndata(adata: AnnData) -> bool:
     True if the AnnData is lazily loaded, False otherwise.
     """
     # Check if obs is not a pandas DataFrame (lazy AnnData uses xarray Dataset2D)
-    if not isinstance(adata.obs, pd.DataFrame):
-        return True
-    return False
+    return not isinstance(adata.obs, pd.DataFrame)
 
 
 def _parse_transformations(element: SpatialElement, transformations: MappingToCoordinateSystem_t | None = None) -> None:

tests/io/test_readwrite.py

@@ -1124,9 +1124,12 @@ class TestLazyTableLoading:
     @pytest.fixture
     def sdata_with_table(self) -> SpatialData:
         """Create a SpatialData object with a simple table for testing."""
+        from spatialdata.models import TableModel
+
+        rng = default_rng(42)
         table = TableModel.parse(
             AnnData(
-                X=np.random.rand(100, 50),
+                X=rng.random((100, 50)),
                 obs=pd.DataFrame(
                     {
                         "region": pd.Categorical(["region1"] * 100),