X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/6d42bc478e3d1bd90eb294464748c21e4de0fc63..995ef714e1e7cdfdf77f537132a4ea1e20a90272:/src/catalogue/models/book.py

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index 9116a4657..5dbda4770 100644
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -237,6 +237,12 @@ class Book(models.Model):
 
     @staticmethod
     def format_audio_length(seconds):
+        """
+        >>> Book.format_audio_length(1)
+        '0:01'
+        >>> Book.format_audio_length(3661)
+        '1:01:01'
+        """
         if seconds < 60*60:
             minutes = seconds // 60
             seconds = seconds % 60