From c94aef88451cc400bf88091b2ee44e275a4f1515 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Mon, 30 Sep 2019 12:06:17 -0700
Subject: [PATCH] Have AnimationGroup initialize its runtime before begin is
 called.  This way it can be composed

---
 manimlib/animation/composition.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/manimlib/animation/composition.py b/manimlib/animation/composition.py
index 043765bf..753f5111 100644
--- a/manimlib/animation/composition.py
+++ b/manimlib/animation/composition.py
@@ -33,6 +33,7 @@ class AnimationGroup(Animation):
             self.group = Group(*remove_list_redundancies(
                 [anim.mobject for anim in animations]
             ))
+        self.init_run_time()
         Animation.__init__(self, self.group, **kwargs)
 
     def get_all_mobjects(self):
@@ -41,7 +42,7 @@ class AnimationGroup(Animation):
     def begin(self):
         for anim in self.animations:
             anim.begin()
-        self.init_run_time()
+        # self.init_run_time()
 
     def finish(self):
         for anim in self.animations: