Fix or ignore ruff errors

Author: asmeurer

array_api_strict/_array_object.py

@@ -589,8 +589,8 @@ def __getitem__(
         key: Union[
             int,
             slice,
-            ellipsis,
-            Tuple[Union[int, slice, ellipsis, None], ...],
+            ellipsis,  # noqa: F821
+            Tuple[Union[int, slice, ellipsis, None], ...],  # noqa: F821
             Array,
         ],
         /,
@@ -780,7 +780,7 @@ def __rshift__(self: Array, other: Union[int, Array], /) -> Array:
     def __setitem__(
         self,
         key: Union[
-            int, slice, ellipsis, Tuple[Union[int, slice, ellipsis], ...], Array
+            int, slice, ellipsis, Tuple[Union[int, slice, ellipsis], ...], Array  # noqa: F821
         ],
         value: Union[int, float, bool, Array],
         /,

array_api_strict/_indexing_functions.py

@@ -3,6 +3,8 @@
 from ._array_object import Array
 from ._dtypes import _integer_dtypes
 
+from typing import Optional
+
 import numpy as np
 
 def take(x: Array, indices: Array, /, *, axis: Optional[int] = None) -> Array:

array_api_strict/_manipulation_functions.py

@@ -57,7 +57,7 @@ def reshape(x: Array,
             /,
             shape: Tuple[int, ...],
             *,
-            copy: Optional[Bool] = None) -> Array:
+            copy: Optional[bool] = None) -> Array:
     """
     Array API compatible wrapper for :py:func:`np.reshape <numpy.reshape>`.
 

array_api_strict/linalg.py

@@ -159,7 +159,7 @@ def inv(x: Array, /) -> Array:
 # -np.inf, 'fro', 'nuc']]], but Literal does not support floating-point
 # literals.
 @requires_extension('linalg')
-def matrix_norm(x: Array, /, *, keepdims: bool = False, ord: Optional[Union[int, float, Literal['fro', 'nuc']]] = 'fro') -> Array:
+def matrix_norm(x: Array, /, *, keepdims: bool = False, ord: Optional[Union[int, float, Literal['fro', 'nuc']]] = 'fro') -> Array:  # noqa: F821
     """
     Array API compatible wrapper for :py:func:`np.linalg.norm <numpy.linalg.norm>`.
 
@@ -251,7 +251,7 @@ def pinv(x: Array, /, *, rtol: Optional[Union[float, Array]] = None) -> Array:
     return Array._new(np.linalg.pinv(x._array, rcond=rtol))
 
 @requires_extension('linalg')
-def qr(x: Array, /, *, mode: Literal['reduced', 'complete'] = 'reduced') -> QRResult:
+def qr(x: Array, /, *, mode: Literal['reduced', 'complete'] = 'reduced') -> QRResult:  # noqa: F821
     """
     Array API compatible wrapper for :py:func:`np.linalg.qr <numpy.linalg.qr>`.