From ceb3002281b5c163d838cc1891c6adbc8ff10075 Mon Sep 17 00:00:00 2001
From: jkhsjdhjs <leon.moeller@yahoo.de>
Date: Tue, 20 Jul 2021 21:40:38 +0000
Subject: [PATCH] urlinfo: fix some NoneType attribute errors

---
 bot/urlinfo.py | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/bot/urlinfo.py b/bot/urlinfo.py
index c780c67..238a91d 100644
--- a/bot/urlinfo.py
+++ b/bot/urlinfo.py
@@ -44,7 +44,18 @@ class URLInfo(Plugin):
 
         bytes_io.seek(0)
         tree = etree.parse(bytes_io, etree.HTMLParser()).getroot()
-        title_elements = tree.xpath("/html/head/title")
-        if len(title_elements) > 0:
-            self.bot.privmsg(target, '\x02[URLInfo]\x02 ' + title_elements[0].text.strip())
+        if tree is None:
+            return
+
+        title_elements = tree.xpath("/html/head/title")
+        if len(title_elements) == 0:
+            return
+
+        title = title_elements[0].text
+        if title is None:
+            return
+
+        title = title.strip()
+        if title:
+            self.bot.privmsg(target, '\x02[URLInfo]\x02 ' + title)