From 426af6f7fce99f03c567d03011cff31cecb2d847 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Tue, 9 Oct 2018 12:21:44 -0700
Subject: [PATCH] Tiny bug fix

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

diff --git a/mobject/types/vectorized_mobject.py b/mobject/types/vectorized_mobject.py
index 1d4efb4b..e22d559d 100644
--- a/mobject/types/vectorized_mobject.py
+++ b/mobject/types/vectorized_mobject.py
@@ -313,6 +313,7 @@ class VMobject(Mobject):
             submob.shade_in_3d = value
             if z_index_as_group:
                 submob.z_index_group = self
+        return self
 
     # Drawing
     def start_at(self, point):