X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/2e4e4c4a3b149116d81698b6666ce8b7ae22857c..39b99a8a8920dca527eb823b860303103389fd91:/src/catalogue/models/book.py

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index 8c53d9c1a..6e6c50f8f 100644
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -229,11 +229,9 @@ class Book(models.Model):
             return '%d:%02d:%02d' % (hours, minutes, seconds)
 
     def get_audio_length(self):
-        from mutagen.mp3 import MP3
         total = 0
         for media in self.get_mp3() or ():
-            audio = MP3(media.file.path)
-            total += audio.info.length
+            total += app_settings.GET_MP3_LENGTH(media.file.path)
         return int(total)
 
     def has_media(self, type_):