From 1331bc0d3b9067bc2692e29934e96d4fd49e78b4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andy=20Teijelo=20P=C3=A9rez?= <ateijelo@gmail.com>
Date: Wed, 11 Oct 2017 09:27:52 -0400
Subject: [PATCH] Fix "nauta cards" if some credentials are wrong

---
 nauta.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/nauta.py b/nauta.py
index 5343e6a..f9fa5ca 100755
--- a/nauta.py
+++ b/nauta.py
@@ -241,9 +241,10 @@ def fetch_expire_date(username, password):
     form['password'] = password
     r = session.post(action, form)
     soup = bs4.BeautifulSoup(r.text, 'html.parser')
-    exp_text = soup.find(string=re.compile("expiración"))\
-                   .parent.find_next_sibling('td')\
-                   .text.strip()
+    exp_node = soup.find(string=re.compile("expiración"))
+    if not exp_node:
+        return "**invalid credentials**"
+    exp_text = exp_node.parent.find_next_sibling('td').text.strip()
     exp_text = exp_text.replace('\\', '')
     return exp_text