From 866e7a3aba03424311ac4c2ee97840f4aa2b99cf Mon Sep 17 00:00:00 2001
From: Ahmed TAHRI <ahmed.tahri@cloudnursery.dev>
Date: Mon, 27 Sep 2021 21:48:00 +0100
Subject: [PATCH] :bug: Fix regression from PR #113 List instead of Set for
 alphabets property

---
 charset_normalizer/models.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/charset_normalizer/models.py b/charset_normalizer/models.py
index 23411dae..5faaf1db 100644
--- a/charset_normalizer/models.py
+++ b/charset_normalizer/models.py
@@ -231,7 +231,7 @@ def alphabets(self) -> List[str]:
             unicode_range(char) for char in str(self)
         ]  # type: List[Optional[str]]
         # filter and sort
-        self._unicode_ranges = sorted([r for r in detected_ranges if r])  # type: ignore
+        self._unicode_ranges = sorted({r for r in detected_ranges if r})  # type: ignore
         return self._unicode_ranges
 
     @property