From b3b7d214adff2088f6c75cbc814cbbf8f1a9b4e4 Mon Sep 17 00:00:00 2001
From: Grant Sanderson <grant@3blue1brown.com>
Date: Sun, 13 Feb 2022 20:04:05 -0800
Subject: [PATCH] Fix Write bug (#1740)

* Avoid division by zero error for calling Write on null objects
---
 manimlib/animation/creation.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/manimlib/animation/creation.py b/manimlib/animation/creation.py
index ccc76295..5a6a04f9 100644
--- a/manimlib/animation/creation.py
+++ b/manimlib/animation/creation.py
@@ -146,7 +146,7 @@ class Write(DrawBorderThenFill):
             else:
                 self.run_time = 2
         if self.lag_ratio is None:
-            self.lag_ratio = min(4.0 / length, 0.2)
+            self.lag_ratio = min(4.0 / (length + 1.0), 0.2)
 
 
 class ShowIncreasingSubsets(Animation):