diff --git a/transmission-trackers.py b/transmission-trackers.py
index bcdaaf8..3a7aaf0 100755
--- a/transmission-trackers.py
+++ b/transmission-trackers.py
@@ -81,7 +81,7 @@
 
 import sys, os, time, socket
 try:
-  from transmissionrpc import Client
+  from transmission_rpc import Client
   if 'host' in client:
     client['address'] = client['host']
     del client['host']
@@ -140,8 +140,7 @@ def validateTrackerURL(url, dns=True):
       if ip in ips:
         dbg("Host's '{}' IP '{}' is duplicate".format(h, ip))
         return False
-
-    ips.add(ip)
+      ips.add(ip)
 
   dbg("Approving tracker '{}'".format(url))
   hosts.add(h)
@@ -237,18 +236,21 @@ def readLocalLists():
   if config['status_filter'] and not t.status in config['status_filter']:
     dbg('{}: skipping due to status filter'.format(t.name))
     continue
-  if t.isPrivate:
+  if t.is_private:
     dbg('{}: skipping private torrent'.format(t.name))
     continue
 
   ttrk = set(())
   for trk in t.trackers:
-    ttrk.add(trk['announce'])
-
+    ttrk.add(trk.announce)
   diff = trackers - ttrk
 
   if diff:
     lg('{}: Adding {} trackers (before: {})'.format(t.name, len(diff), len(ttrk)))
-    tc.change_torrent(t.id, trackerAdd=list(diff))
+    try:
+        tc.change_torrent(t.id, trackerAdd=list(diff))
+    except Exception as e:
+        dbg('{}: Adding trackers failed,error: {})'.format(t.name, e))
+        continue
   else:
     dbg('{}: update not needed'.format(t.name))