From ed1cbe32ff14fa75df73b1408924d7f6e1b2090b Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Thu, 27 Feb 2020 17:19:15 +0000
Subject: [PATCH] Don't copy a mobject's parents

---
 manimlib/mobject/mobject.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/manimlib/mobject/mobject.py b/manimlib/mobject/mobject.py
index 9774616b..2fe051dc 100644
--- a/manimlib/mobject/mobject.py
+++ b/manimlib/mobject/mobject.py
@@ -189,9 +189,12 @@ class Mobject(Container):
         # remove this redundancy everywhere
         # return self.deepcopy()
 
+        parents = self.parents
+        self.parents = []
         copy_mobject = copy.copy(self)
+        self.parents = parents
+
         copy_mobject.points = np.array(self.points)
-        copy_mobject.parents = []
         copy_mobject.submobjects = []
         copy_mobject.add(*[sm.copy() for sm in self.submobjects])
         copy_mobject.updaters = list(self.updaters)
@@ -206,7 +209,10 @@ class Mobject(Container):
         return copy_mobject
 
     def deepcopy(self):
+        parents = self.parents
+        self.parents = []
         return copy.deepcopy(self)
+        self.parents = parents
 
     def generate_target(self, use_deepcopy=False):
         self.target = None  # Prevent exponential explosion