[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

zfit_interface/old/data.py

@@ -1,14 +1,13 @@
 from __future__ import annotations
 
 from abc import abstractmethod
-from typing import Optional
 
 import numpy as np
 
 
 class ZfitData:
     @abstractmethod
-    def value(self, obs: Optional[list[str]] = None) -> np.typ:
+    def value(self, obs: list[str] | None = None) -> np.typ:
         raise NotImplementedError
 
     @abstractmethod

zfit_interface/old/minimizer.py

@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from collections.abc import Iterable
-from typing import Optional, Protocol
+from typing import Protocol
 
 from zfit_interface.old.loss import ZfitMinimalLoss
 from zfit_interface.old.param import ZfitParameter
@@ -11,5 +11,5 @@
 class ZfitMinimizer(Protocol):
     """Define the minimizer interface."""
 
-    def minimize(self, loss: ZfitMinimalLoss, params: Optional[Iterable[ZfitParameter]] = None) -> ZfitMinimalResult:
+    def minimize(self, loss: ZfitMinimalLoss, params: Iterable[ZfitParameter] | None = None) -> ZfitMinimalResult:
         raise NotImplementedError

zfit_interface/variables.py

@@ -47,7 +47,7 @@ def __iter__(self) -> typing.Iterator[T]:
 class PlottableTraits:
     __slots__ = ["_circular", "_discrete"]
 
-    def __init__(self, circular: typing.Optional[bool] = None, discrete: typing.Optional[bool] = None):
+    def __init__(self, circular: bool | None = None, discrete: bool | None = None):
         self._circular = False if circular is None else circular
         self._discrete = False if discrete is None else discrete
 
@@ -83,7 +83,7 @@ def traits(self) -> PlottableTraits:
 
 
 class BaseVar(ZfitVar):
-    def __init__(self, name: str, binning: ZfitBinning = None, label: typing.Optional[str] = None):
+    def __init__(self, name: str, binning: ZfitBinning = None, label: str | None = None):
         self._name = name
         self._label = label
         self._binning = self._check_input_init_binning(binning)