fix potential issue

thomas-mangin · thomas-mangin · commit a87de8486411 · 2025-05-25T01:30:20.000+01:00
diff --git a/src/exabgp/application/healthcheck.py b/src/exabgp/application/healthcheck.py
@@ -202,7 +202,7 @@ def loopback_ips(label, label_only, label_exact_match):
         )
         cmd = subprocess.Popen('/sbin/ifconfig lo0'.split(), shell=False, stdout=subprocess.PIPE)
         labelre = re.compile(r'')
-    for line in cmd.stdout:
+    for line in (cmd.stdout or []):
         line = line.decode('ascii', 'ignore').strip()
         mo = ipre.match(line)
         if not mo:

Original file line number	Diff line number	Diff line change
`@@ -202,7 +202,7 @@ def loopback_ips(label, label_only, label_exact_match):`
`202`	`202`	`)`
`203`	`203`	`cmd = subprocess.Popen('/sbin/ifconfig lo0'.split(), shell=False, stdout=subprocess.PIPE)`
`204`	`204`	`labelre = re.compile(r'')`
`205`		`- for line in cmd.stdout:`
	`205`	`+ for line in (cmd.stdout or []):`
`206`	`206`	`line = line.decode('ascii', 'ignore').strip()`
`207`	`207`	`mo = ipre.match(line)`
`208`	`208`	`if not mo:`