fix ruff errors

scal3/plugin_type.py

@@ -1,16 +1,19 @@
 from __future__ import annotations
 
-import typing
+from typing import TYPE_CHECKING
 
 from scal3.s_object import SObj
 
+if TYPE_CHECKING:
+	from collections.abc import Sequence
+
 
 class BasePlugin(SObj):
 	name: str | None
 	external: bool
 	loaded: bool
-	params: typing.Sequence[str]
-	essentialParams: typing.Sequence[str]
+	params: Sequence[str]
+	essentialParams: Sequence[str]
 
 	def getArgs(self): ...
 

scal3/utils.py

@@ -26,6 +26,9 @@
 from math import ceil, floor
 from typing import Any
 
+if typing.TYPE_CHECKING:
+	from collections.abc import Iterator
+
 Number: typing.TypeAlias = int | float
 
 
@@ -213,7 +216,7 @@ def insert(self, index: int, key: str, value: Any):
 		self.keyList.insert(index, key)
 		dict.__setitem__(self, key, value)  # noqa: PLC2801
 
-	def sort(self, attr: str | None = None) -> typing.Iterator:
+	def sort(self, attr: str | None = None) -> Iterator:
 		if attr is None:
 			self.keyList.sort()
 		else:

scripts/version-set.py

@@ -1,5 +1,4 @@
 #!/usr/bin/env python3
-# -*- coding: utf-8 -*-
 
 import sys
 from datetime import datetime