From 3fd055fe1008ec7f0525f8480243d7d1eeff4ef7 Mon Sep 17 00:00:00 2001
From: moecki <111915936+only-dev-time@users.noreply.github.com>
Date: Sat, 5 Oct 2024 23:02:23 +0200
Subject: [PATCH] Fix TypeError in BlockQueue.push() #341 (#342)

* fix TypeError #341

* use f-string to display fork
---
 hive/steem/block/stream.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/hive/steem/block/stream.py b/hive/steem/block/stream.py
index 2b640bae1..17ec1f382 100644
--- a/hive/steem/block/stream.py
+++ b/hive/steem/block/stream.py
@@ -35,11 +35,11 @@ def push(self, block):
         next_hash = block['block_id']
         next_prev = block['previous']
         if self._prev != next_prev:
-            fork = "%s--> %s->%s" % (self._prev, next_prev, next_hash)
+            fork = f"{self._prev}--> {next_prev}->{next_hash}"
             if self._queue: # if using max_size>0, fork might be in buffer only
                 buff = self.size()
                 alert = "NOTIFYALERT " if buff < self._max_size else ""
-                raise MicroForkException("%squeue:%d %s" % (alert, fork, buff))
+                raise MicroForkException(f"{alert}queue:{buff} {fork}")
             raise ForkException("NOTIFYALERT fork " + fork)
 
         self._prev = next_hash