Update types for systems

Author: CowKeyMan

pcs/pipeline.py

@@ -1,11 +1,11 @@
 import inspect
 from collections.abc import Mapping
-from types import FunctionType
-from typing import TypeAlias, TypeVar
+from types import Callable
+from typing import Any, TypeAlias, TypeVar
 
 from pcs.component import Component
 
-System: TypeAlias = FunctionType
+System: TypeAlias = Callable[..., dict[str, Any] | None]
 
 T = TypeVar("T")
 

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "pipeline-component-system"
-version = "0.4.3"
+version = "0.4.4"
 authors = [
   { name="Daniel Cauchi" },
 ]