From: Daniel Leidert <dleidert@debian.org>
Date: Thu, 26 Mar 2020 18:16:52 +0100
Subject: Fix for FrozenError with Ruby 2.7

Debian-Bug: https://bugs.debian.org/952084
---
 lib/twitter-text/extractor.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/twitter-text/extractor.rb b/lib/twitter-text/extractor.rb
index c2a8321..6ba6370 100644
--- a/lib/twitter-text/extractor.rb
+++ b/lib/twitter-text/extractor.rb
@@ -14,7 +14,7 @@ class String
 
   # Helper function to convert this string into an array of unicode characters.
   def to_char_a
-    @to_char_a ||= if chars.kind_of?(Enumerable)
+    if chars.kind_of?(Enumerable)
       chars.to_a
     else
       char_array = []