From 991ac986fd45781f99e9de36fefdc5c4838b99f0 Mon Sep 17 00:00:00 2001
From: Angus Gratton <angus@redyak.com.au>
Date: Wed, 9 Aug 2023 18:54:20 +1000
Subject: [PATCH] iperf3: Pre-declare some variables set in the loop.

This is a change just to make the linter happy, the code
probably would have run OK without it.

Found by Ruff checking F821.

Signed-off-by: Angus Gratton <angus@redyak.com.au>
---
 python-ecosys/iperf3/iperf3.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/python-ecosys/iperf3/iperf3.py b/python-ecosys/iperf3/iperf3.py
index 62ee016..a5c5444 100644
--- a/python-ecosys/iperf3/iperf3.py
+++ b/python-ecosys/iperf3/iperf3.py
@@ -380,9 +380,11 @@ def client(host, udp=False, reverse=False, bandwidth=10 * 1024 * 1024):
     ticks_us_end = param["time"] * 1000000
     poll = select.poll()
     poll.register(s_ctrl, select.POLLIN)
+    buf = None
     s_data = None
     start = None
     udp_packet_id = 0
+    udp_last_send = None
     while True:
         for pollable in poll.poll(stats.max_dt_ms()):
             if pollable_is_sock(pollable, s_data):