From e5fdbb90b48c7ff66b68d14c37ae29caf410026c Mon Sep 17 00:00:00 2001
From: akeia <Alexander.Keiblinger@googlemail.com>
Date: Fri, 5 Nov 2021 14:19:34 +0100
Subject: [PATCH] Update parser.rb

avoid nil's in youtube .vtt
---
 lib/webvtt/parser.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/webvtt/parser.rb b/lib/webvtt/parser.rb
index e6666c7..68e5e61 100644
--- a/lib/webvtt/parser.rb
+++ b/lib/webvtt/parser.rb
@@ -158,6 +158,9 @@ def parse
 
       # it's a note, ignore
       return if lines[0] =~ /NOTE/
+      
+      # youtube loves empty lines
+      return if lines.nil? or lines[0].nil?
 
       if !lines[0].include?("-->")
         @identifier = lines[0]