fix: use type parameter instead of subclass

src/tagstudio/core/query_lang/ast.py

@@ -4,7 +4,7 @@
 
 from abc import ABC, abstractmethod
 from enum import Enum
-from typing import Generic, TypeVar, override
+from typing import TypeVar, override
 
 
 class ConstraintType(Enum):
@@ -97,7 +97,7 @@ class Not(AST):
 T = TypeVar("T")
 
 
-class BaseVisitor(ABC, Generic[T]):
+class BaseVisitor[T](ABC):
     def visit(self, node: AST) -> T:
         if isinstance(node, ANDList):
             return self.visit_and_list(node)

src/tagstudio/qt/ts_qt.py

@@ -21,7 +21,7 @@ from collections import OrderedDict
 from pathlib import Path
 from queue import Queue
 from shutil import which
-from typing import Generic, TypeVar
+from typing import TypeVar
 from warnings import catch_warnings
 
 import structlog
@@ -148,7 +148,7 @@ T = TypeVar("T")
 #                 | A   [B]<- C |
 #                 |[A]<- B    C |  Previous routes still exist
 #                 | A ->[D]     |  Stack is cut from [:A] on new route
-class History(Generic[T]):
+class History[T]:
     __history: list[T]
     __index: int = 0