diff --git a/manimlib/mobject/svg/brace.py b/manimlib/mobject/svg/brace.py
index 2f6f4c7a..31217a28 100644
--- a/manimlib/mobject/svg/brace.py
+++ b/manimlib/mobject/svg/brace.py
@@ -1,5 +1,6 @@
 import numpy as np
 import math
+import copy
 
 from manimlib.animation.composition import AnimationGroup
 from manimlib.constants import *