# upstream: yes
--- a/tremc
+++ b/tremc
@@ -438,7 +438,7 @@ class Transmission(object):
                 # TAG_TORRENT_DETAILS, but just passing seems to help.(?)
                 try:
                     torrent_details = response['arguments']['torrents'][0]
-                    torrent_details['pieces'] = base64.decodestring(bytes(torrent_details['pieces'], ENCODING))
+                    torrent_details['pieces'] = base64.decodebytes(bytes(torrent_details['pieces'], ENCODING))
                     self.torrent_details_cache = torrent_details
                     self.upgrade_peerlist()
                 except IndexError: