Kill config in update.py

manimlib/animation/update.py

@@ -16,24 +16,35 @@ class UpdateFromFunc(Animation):
     to be used when the state of one mobject is dependent
     on another simultaneously animated mobject
     """
-    CONFIG = {
-        "suspend_mobject_updating": False,
-    }
-
     def __init__(
         self,
         mobject: Mobject,
-        update_function: Callable[[Mobject]],
+        update_function: Callable[[Mobject], Mobject | None],
+        suspend_mobject_updating: bool = False,
         **kwargs
     ):
         self.update_function = update_function
-        super().__init__(mobject, **kwargs)
+        super().__init__(
+            mobject,
+            suspend_mobject_updating=suspend_mobject_updating,
+            **kwargs
+        )
 
     def interpolate_mobject(self, alpha: float) -> None:
         self.update_function(self.mobject)
 
 
-class UpdateFromAlphaFunc(UpdateFromFunc):
+class UpdateFromAlphaFunc(Animation):
+    def __init__(
+        self,
+        mobject: Mobject,
+        update_function: Callable[[Mobject, float], Mobject | None],
+        suspend_mobject_updating: bool = False,
+        **kwargs
+    ):
+        self.update_function = update_function
+        super().__init__(mobject, suspend_mobject_updating=suspend_mobject_updating, **kwargs)
+
     def interpolate_mobject(self, alpha: float) -> None:
         self.update_function(self.mobject, alpha)