create-sound-files: adjust covert art for python 3

diff --git a/emissions/management/commands/create-sound-files.py b/emissions/management/commands/create-sound-files.py
index dcf2a7afed518564bfaac540f51701de177c8fd1..b34492215d23d9570643086b696ca98a5e3523d0 100644 (file)
--- a/emissions/management/commands/create-sound-files.py
+++ b/emissions/management/commands/create-sound-files.py
@@ -124,7 +124,7 @@ class Command(BaseCommand):
                 if format == 'ogg':
                     audio['coverartmime'] = mimetype
                     audio['coverartdescription'] = 'image'
-                    audio['coverart'] = base64.encodestring(image.read()).replace('\n', '')
+                    audio['coverart'] = base64.encodebytes(image.read()).replace(b'\n', b'').decode('ascii')
                 elif format == 'mp3':
                     audio.save()
                     audio = mutagen.mp3.MP3(file_path)