From 693cdfc6d75e460a00585ccc9b734b80d6eba74d Mon Sep 17 00:00:00 2001
From: Maximilian Hils <git@maximilianhils.com>
Date: Sun, 20 Sep 2015 19:40:09 +0200
Subject: python3++

---
 netlib/utils.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'netlib/utils.py')

diff --git a/netlib/utils.py b/netlib/utils.py
index 6fed44b6..799b0d42 100644
--- a/netlib/utils.py
+++ b/netlib/utils.py
@@ -141,6 +141,12 @@ _label_valid = re.compile(b"(?!-)[A-Z\d-]{1,63}(?<!-)$", re.IGNORECASE)
 
 
 def is_valid_host(host):
+    """
+    Checks if a hostname is valid.
+
+    Args:
+      host (bytes): The hostname
+    """
     try:
         host.decode("idna")
     except ValueError:
-- 
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