From a4d9b101ded655f2f9cf1db7fb256d687d7ee29c Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Tue, 31 Jan 2023 12:53:25 -0800
Subject: [PATCH] Whoops, make sure deepcopy actually returns

---
 manimlib/mobject/mobject.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/manimlib/mobject/mobject.py b/manimlib/mobject/mobject.py
index 213bf303..06deeec5 100644
--- a/manimlib/mobject/mobject.py
+++ b/manimlib/mobject/mobject.py
@@ -599,6 +599,7 @@ class Mobject(object):
         result = copy.deepcopy(self)
         result._shaders_initialized = False
         result._data_has_changed = True
+        return result
 
     def copy(self, deep: bool = False):
         if deep: