(fix): remove runtime pytest dep

src/anndata/experimental/backed/_io.py

@@ -9,7 +9,7 @@
 
 from anndata._io.specs.registry import read_elem_lazy
 from anndata._types import AnnDataElem
-from testing.anndata._pytest import doctest_needs
+from testing.anndata._doctest import doctest_needs
 
 from ..._core.anndata import AnnData
 from ..._settings import settings

src/testing/anndata/_doctest.py

@@ -0,0 +1,16 @@
+from __future__ import annotations
+
+from collections.abc import Callable
+from typing import TypeVar
+
+F = TypeVar("F", bound=Callable)
+
+
+def doctest_needs(mod: str) -> Callable[[F], F]:
+    """Mark function with doctest dependency."""
+
+    def decorator(func: F) -> F:
+        func._doctest_needs = mod
+        return func
+
+    return decorator

src/testing/anndata/_pytest.py

@@ -16,11 +16,8 @@
 import pytest
 
 if TYPE_CHECKING:
-    from collections.abc import Callable, Generator, Iterable
+    from collections.abc import Generator, Iterable
     from pathlib import Path
-    from typing import TypeVar
-
-    F = TypeVar("F", bound=Callable)
 
 
 # TODO: Should be done in pyproject.toml eventually
@@ -44,16 +41,6 @@ def _anndata_test_env(request: pytest.FixtureRequest) -> None:
     anndata.settings.reset(anndata.settings._registered_options.keys())
 
 
-def doctest_needs(mod: str) -> Callable[[F], F]:
-    """Mark function with doctest dependency."""
-
-    def decorator(func: F) -> F:
-        func._doctest_needs = mod
-        return func
-
-    return decorator
-
-
 @pytest.fixture
 def _doctest_env(
     request: pytest.FixtureRequest, cache: pytest.Cache, tmp_path: Path