From 2361fd666e44b179d2a53a929a3eb5bd0afd45c0 Mon Sep 17 00:00:00 2001
From: Alex Chavkin <achavkin@scclin013.flatironinstitute.org>
Date: Tue, 24 Jan 2023 11:12:42 -0500
Subject: Split known_hosts fields on either a single space or tab

---
 paramiko/hostkeys.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/paramiko/hostkeys.py b/paramiko/hostkeys.py
index 13a0355d..7362c013 100644
--- a/paramiko/hostkeys.py
+++ b/paramiko/hostkeys.py
@@ -20,6 +20,7 @@
 from base64 import encodebytes, decodebytes
 import binascii
 import os
+import re
 
 from collections.abc import MutableMapping
 from hashlib import sha1
@@ -337,7 +338,7 @@ class HostKeyEntry:
         :param str line: a line from an OpenSSH known_hosts file
         """
         log = get_logger("paramiko.hostkeys")
-        fields = line.split()
+        fields = re.split(' |\t', line)
         if len(fields) < 3:
             # Bad number of fields
             msg = "Not enough fields found in known_hosts in line {} ({!r})"
-- 
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