(chore): remove py3.11 checks

ci/scripts/min-deps.py

@@ -2,16 +2,11 @@
 from __future__ import annotations
 
 import argparse
-import sys
+import tomllib
 from collections import deque
 from pathlib import Path
 from typing import TYPE_CHECKING
 
-if sys.version_info >= (3, 11):
-    import tomllib
-else:
-    import tomli as tomllib
-
 from packaging.requirements import Requirement
 from packaging.version import Version
 

src/anndata/_settings.py

@@ -2,7 +2,6 @@
 
 import inspect
 import os
-import sys
 import textwrap
 import warnings
 from collections.abc import Iterable
@@ -53,27 +52,14 @@ def describe(self: RegisteredOption, *, as_rst: bool = False) -> str:
     return textwrap.dedent(doc)
 
 
-if sys.version_info >= (3, 11):
-
-    class RegisteredOption(NamedTuple, Generic[T]):
-        option: str
-        default_value: T
-        description: str
-        validate: Callable[[T], None]
-        type: object
-
-        describe = describe
-
-else:
-
-    class RegisteredOption(NamedTuple):
-        option: str
-        default_value: T
-        description: str
-        validate: Callable[[T], None]
-        type: object
+class RegisteredOption(NamedTuple, Generic[T]):
+    option: str
+    default_value: T
+    description: str
+    validate: Callable[[T], None]
+    type: object
 
-        describe = describe
+    describe = describe
 
 
 def check_and_get_environ_var(

src/anndata/compat/__init__.py

@@ -1,15 +1,10 @@
 from __future__ import annotations
 
-import os
-import sys
 from codecs import decode
 from collections.abc import Mapping
-from contextlib import AbstractContextManager
-from dataclasses import dataclass, field
 from functools import singledispatch, wraps
 from importlib.util import find_spec
 from inspect import Parameter, signature
-from pathlib import Path
 from types import EllipsisType
 from typing import TYPE_CHECKING, TypeVar
 from warnings import warn
@@ -20,8 +15,6 @@
 import scipy
 from packaging.version import Version
 
-from .exceptiongroups import add_note  # noqa: F401
-
 if TYPE_CHECKING:
     from typing import Any
 
@@ -69,23 +62,6 @@ class Empty:
 #############################
 
 
-if sys.version_info >= (3, 11):
-    from contextlib import chdir
-else:
-
-    @dataclass
-    class chdir(AbstractContextManager):
-        path: Path
-        _old_cwd: list[Path] = field(default_factory=list)
-
-        def __enter__(self) -> None:
-            self._old_cwd.append(Path())
-            os.chdir(self.path)
-
-        def __exit__(self, *_exc_info) -> None:
-            os.chdir(self._old_cwd.pop())
-
-
 #############################
 # Optional deps
 #############################

src/testing/anndata/_pytest.py

@@ -51,7 +51,8 @@ def _doctest_env(
         )
         from scanpy import settings
 
-    from anndata.compat import chdir
+    from contextlib import chdir
+
     from anndata.utils import import_name
 
     assert isinstance(request.node.parent, pytest.Module)