diff --git a/old_projects/number_line_scene.py b/old_projects/number_line_scene.py
index 6bee856a..d81c1bcd 100644
--- a/old_projects/number_line_scene.py
+++ b/old_projects/number_line_scene.py
@@ -1,4 +1,7 @@
 import numpy as np
+from animation.transform import Transform
+from point_cloud_mobject import Point
+from topics.number_line import NumberLine
 
 class NumberLineScene(Scene):
     def construct(self, **number_line_config):