STY: give the = some breathing room

Co-authored-by: Lucas Colley <[email protected]>

Author: jorenham

array_api_compat/common/_helpers.py

@@ -40,7 +40,7 @@
     # TODO: import from typing (requires Python >=3.13)
     from typing_extensions import TypeIs, TypeVar
 
-    _SizeT = TypeVar("_SizeT", bound=int | None)
+    _SizeT = TypeVar("_SizeT", bound = int | None)
 
     _ZeroGradientArray: TypeAlias = npt.NDArray[np.void]
     _CupyArray: TypeAlias = Any  # cupy has no py.typed