From fed46eaa1e6e9ad0c1607135468801b7cc6c07dc Mon Sep 17 00:00:00 2001
From: Vivek Santayana <me@viveksantayana.co.uk>
Date: Tue, 7 Mar 2023 11:21:41 +0000
Subject: [PATCH] Bugfix: stdev exception when only one test

---
 ref-test/app/analysis/templates/analysis/analysis.html | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/ref-test/app/analysis/templates/analysis/analysis.html b/ref-test/app/analysis/templates/analysis/analysis.html
index 33aad9d..39876d2 100644
--- a/ref-test/app/analysis/templates/analysis/analysis.html
+++ b/ref-test/app/analysis/templates/analysis/analysis.html
@@ -55,7 +55,11 @@
         <div class="input-group mb-3">
             <span class="input-group-text">Standard Deviation</span>
             <span class="form-control">
-                {{ analysis.scores.stdev|round(2) }}
+                {% if analysis.scores.stdev %}
+                    {{ analysis.scores.stdev|round(2) }}
+                {% else %}
+                    {{ None }}
+                {% endif %}
             </span>
         </div>
         <div class="input-group mb-3">