Fix some RUF012 per file ignores

Author: MaximSmolskiy

other/lfu_cache.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from collections.abc import Callable
-from typing import Generic, TypeVar
+from typing import ClassVar, Generic, TypeVar
 
 T = TypeVar("T")
 U = TypeVar("U")
@@ -197,7 +197,7 @@ class LFUCache(Generic[T, U]):
     """
 
     # class variable to map the decorator functions to their respective instance
-    decorator_function_to_instance_map: dict[Callable[[T], U], LFUCache[T, U]] = {}
+    decorator_function_to_instance_map: ClassVar[dict[Callable[[T], U], LFUCache[T, U]]] = {}
 
     def __init__(self, capacity: int):
         self.list: DoubleLinkedList[T, U] = DoubleLinkedList()

other/lru_cache.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from collections.abc import Callable
-from typing import Generic, TypeVar
+from typing import ClassVar, Generic, TypeVar
 
 T = TypeVar("T")
 U = TypeVar("U")
@@ -210,7 +210,7 @@ class LRUCache(Generic[T, U]):
     """
 
     # class variable to map the decorator functions to their respective instance
-    decorator_function_to_instance_map: dict[Callable[[T], U], LRUCache[T, U]] = {}
+    decorator_function_to_instance_map: ClassVar[dict[Callable[[T], U], LRUCache[T, U]]] = {}
 
     def __init__(self, capacity: int):
         self.list: DoubleLinkedList[T, U] = DoubleLinkedList()

pyproject.toml

@@ -85,7 +85,6 @@ max-complexity = 17  # default: 10
 "machine_learning/decision_tree.py" = ["SIM114"]
 "machine_learning/sequential_minimum_optimization.py" = ["SIM115"]
 "matrix/sherman_morrison.py" = ["SIM103", "SIM114"]
-"other/l*u_cache.py" = ["RUF012"]
 "physics/newtons_second_law_of_motion.py" = ["BLE001"]
 "project_euler/problem_099/sol1.py" = ["SIM115"]
 "sorts/external_sort.py" = ["SIM115"]