svc/connect.in (Pinger.kill): Don't assume the peer exists.

It's quite possible that it's already gone, so be careful.

diff --git a/svc/connect.in b/svc/connect.in
index e3a5022..feb79ea 100644 (file)
--- a/svc/connect.in
+++ b/svc/connect.in
@@ -528,7 +528,8 @@ class Pinger (T.Coroutine):
 
   def kill(me, peername):
     """Remove PEER from the peers being watched by the Pinger."""
-    del me._peers[peername]
+    try: del me._peers[peername]
+    except KeyError: pass
     return me
 
   def rescan(me, startup):