Use basedpyright refactor

folkugat_web/model/sql.py

@@ -1,10 +1,9 @@
 from __future__ import annotations
 
 import dataclasses
-import datetime
 import enum
 from abc import abstractmethod
-from typing import Generic, Optional, Protocol, TypeVar
+from typing import Generic, Protocol, TypeVar
 
 
 class Comparable(Protocol):
@@ -30,12 +29,12 @@ T = TypeVar("T", bound=Comparable)
 
 @dataclasses.dataclass
 class Range(Generic[T]):
-    gt: Optional[T] = None
-    gte: Optional[T] = None
-    lt: Optional[T] = None
-    lte: Optional[T] = None
+    gt: T | None = None
+    gte: T | None = None
+    lt: T | None = None
+    lte: T | None = None
 
-    def lower_bound(self) -> Optional[tuple[T, bool]]:
+    def lower_bound(self) -> tuple[T, bool] | None:
         if self.gt is None and self.gte is None:
             return None
         elif self.gt is not None and self.gte is not None:
@@ -47,7 +46,7 @@ class Range(Generic[T]):
         elif self.gte is not None:
             return self.gte, True
 
-    def upper_bound(self) -> Optional[tuple[T, bool]]:
+    def upper_bound(self) -> tuple[T, bool] | None:
         if self.lt is None and self.lte is None:
             return None
         elif self.lt is not None and self.lte is not None: