diff --git a/respodns/dns.py b/respodns/dns.py
index bfbfc94..b8d71dc 100644
--- a/respodns/dns.py
+++ b/respodns/dns.py
@@ -216,6 +216,7 @@ async def main(db, filepaths, checks, opts: Options):
     pooler = make_pooler(opts.ip_simul, finisher)
 
     seen = 0
+
     async def process(ip, total=None):
         nonlocal seen
         first = seen == 0