fixed crash when running in --debug mode

diff --git a/p2pool/data.py b/p2pool/data.py
index d6386d0..f9615f7 100644 (file)
--- a/p2pool/data.py
+++ b/p2pool/data.py
@@ -520,7 +520,7 @@ class OkayTracker(forest.Tracker):
         if p2pool.DEBUG:
             print 'Desire %i shares. Cutoff: %s old diff>%.2f' % (len(desired), math.format_dt(time.time() - timestamp_cutoff), bitcoin_data.target_to_difficulty(target_cutoff))
             for peer_addr, hash, ts, targ in desired:
-                print '   ', '%s:%i' % peer_addr, format_hash(hash), math.format_dt(time.time() - ts), bitcoin_data.target_to_difficulty(targ), ts >= timestamp_cutoff, targ <= target_cutoff
+                print '   ', None if peer_addr is None else '%s:%i' % peer_addr, format_hash(hash), math.format_dt(time.time() - ts), bitcoin_data.target_to_difficulty(targ), ts >= timestamp_cutoff, targ <= target_cutoff
         
         return best, [(peer_addr, hash) for peer_addr, hash, ts, targ in desired if ts >= timestamp_cutoff], decorated_heads