#240 fix for Python <3.12

wojtask · Oct 6, 2024 · c742bc3 · c742bc3
1 parent 28e2311
commit c742bc3
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/book/data_structures.py b/src/book/data_structures.py
@@ -9,17 +9,19 @@
 from typing_extensions import Self
 
 
+T = TypeVar('T')
+
+
 class Comparable(Protocol):
     def __le__(self, other: Any) -> bool:
         pass
 
 
-class Indexable[T](Protocol):
+class Indexable(Protocol[T]):
     __getitem__: Callable[[int], T]
     __setitem__: Callable[[int, T], None]
 
 
-T = TypeVar('T')
 CT = TypeVar('CT', bound=Comparable)
 Bit = Literal[0, 1]