message: Fixed error in previous commit needed to pass self. GH
diff: @@ -296,7 +296,7 @@ class Node(object):
  if trans is not None or not delayedRetry:
  return trans
  if blockWalker is None:
  - blockWalker=Node.BlockWalker(node, trans)
  + blockWalker=Node.BlockWalker(self, trans)
  if Utils.Debug: Utils.Print("Could not find transaction with id %s, delay and retry" % (transId))
  time.sleep(timeout)
  