From 5fdea967706a143b13b5fed0bee10b85ddb209e6 Mon Sep 17 00:00:00 2001
From: Matthieu Schaller <schaller@strw.leidenuniv.nl>
Date: Tue, 4 Jul 2023 10:04:04 +0200
Subject: [PATCH] Protect the code against ADS entries without authors

---
 templates/pubs.html | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/templates/pubs.html b/templates/pubs.html
index de7fbeb..79002ee 100644
--- a/templates/pubs.html
+++ b/templates/pubs.html
@@ -39,10 +39,12 @@
       <div class="card-text">
         <h4>{{ count + 1 - loop.index }}) <a href="https://ui.adsabs.harvard.edu/abs/{{ card.bibcode }}/abstract">{{ card.title }}</a></h4>
 	<p>
-	{% if card.author_count > 1 %}
-        &emsp; {{ card.first_author_norm }} et al.,
-	{% else %}
-	&emsp; {{ card.first_author_norm }},
+	{% if card.author_count %}
+	  {% if card.author_count > 1 %}
+          &emsp; {{ card.first_author_norm }} et al.,
+	  {% else %}
+	  &emsp; {{ card.first_author_norm }},
+	  {% endif %}
 	{% endif %}
 	<i>{{ card.bibstem }}</i>, {{ card.year }}
 	{% if card.bibstem != "arXiv"  %}
-- 
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