From 3a5a400178399afcbc3051df860231f3c4cf4ff7 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Wed, 21 Sep 2022 22:18:18 -0400
Subject: [PATCH] djbdns/io.py: handle nonexistent Popen stdin/stdout.

Type annotations say that this is possible, so... just quit if it
happens?
---
 djbdns/io.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/djbdns/io.py b/djbdns/io.py
index 75422c0..1e41470 100644
--- a/djbdns/io.py
+++ b/djbdns/io.py
@@ -37,6 +37,9 @@ def parse_logfile(file : TextIO):
                text=True,
                bufsize=0) as tai:
 
+        if not tai.stdin or not tai.stdout:
+            return
+
         for line in file:
             tai.stdin.write(line)
             line = tai.stdout.readline()
-- 
2.43.2