diff --git a/manimlib/event_handler/event_listner.py b/manimlib/event_handler/event_listner.py
index 5784c497..2f8663f7 100644
--- a/manimlib/event_handler/event_listner.py
+++ b/manimlib/event_handler/event_listner.py
@@ -1,18 +1,5 @@
-from __future__ import annotations
-
-from typing import Callable
-
-from manimlib.mobject.mobject import Mobject
-from manimlib.event_handler.event_type import EventType
-
-
 class EventListner(object):
-    def __init__(
-        self,
-        mobject: Mobject,
-        event_type: EventType,
-        event_callback: Callable[[Mobject, dict[str]]]
-    ):
+    def __init__(self, mobject, event_type, event_callback):
         self.mobject = mobject
         self.event_type = event_type
         self.callback = event_callback
diff --git a/manimlib/mobject/mobject.py b/manimlib/mobject/mobject.py
index 90acf22f..f409edb6 100644
--- a/manimlib/mobject/mobject.py
+++ b/manimlib/mobject/mobject.py
@@ -650,7 +650,7 @@ class Mobject(object):
         Otherwise, if about_point is given a value, scaling is done with
         respect to that point.
         """
-        if isinstance(scale_factor, npt.ArrayLike):
+        if isinstance(scale_factor, Iterable):
             scale_factor = np.array(scale_factor).clip(min=min_scale_factor)
         else:
             scale_factor = max(scale_factor, min_scale_factor)