diff --git a/lbry/lbry/dht/protocol/protocol.py b/lbry/lbry/dht/protocol/protocol.py
index d8a84da45..7cbaad3e5 100644
--- a/lbry/lbry/dht/protocol/protocol.py
+++ b/lbry/lbry/dht/protocol/protocol.py
@@ -224,7 +224,7 @@ class PingQueue:
                         self._protocol.add_peer(peer)
                     return
                 await self._protocol.get_rpc_peer(peer).ping()
-            except asyncio.TimeoutError:
+            except (asyncio.TimeoutError, RemoteException):
                 pass
 
         task = self._loop.create_task(ping_task())
@@ -668,7 +668,7 @@ class KademliaProtocol(DatagramProtocol):
                 log.debug("peer %s:%i is running an incompatible version of lbrynet", peer.address, peer.udp_port)
                 return peer.node_id, False
             if 'Invalid token' not in str(err):
-                log.exception("Unexpected error while storing blob_hash")
+                log.warning("Unexpected error while storing blob_hash: %s", err)
                 return peer.node_id, False
         self.peer_manager.clear_token(peer.node_id)
         if not retry:
diff --git a/lbry/lbry/extras/daemon/migrator/migrate12to13.py b/lbry/lbry/extras/daemon/migrator/migrate12to13.py
index 05bf7aee7..b89ef3f4e 100644
--- a/lbry/lbry/extras/daemon/migrator/migrate12to13.py
+++ b/lbry/lbry/extras/daemon/migrator/migrate12to13.py
@@ -65,7 +65,7 @@ def do_migration(conf):
                 added_on
             from file;
 
-        insert into new_content_claim (stream_hash, bt_infohash, claim_outpoint)
+        insert or ignore into new_content_claim (stream_hash, bt_infohash, claim_outpoint)
             select stream_hash, NULL, claim_outpoint from content_claim;
 
         drop table file;
diff --git a/torba/torba/server/session.py b/torba/torba/server/session.py
index fe78133bc..57ce6b4b9 100644
--- a/torba/torba/server/session.py
+++ b/torba/torba/server/session.py
@@ -286,7 +286,7 @@ class SessionManager:
     def _get_info(self):
         """A summary of server state."""
         group_map = self._group_map()
-        method_counts = collections.defaultdict(0)
+        method_counts = collections.defaultdict(int)
         error_count = 0
         logged = 0
         paused = 0