From a03714364c361df90c23f023bd040c1103d47b3d Mon Sep 17 00:00:00 2001
From: Santiago Lamora <slamora@users.noreply.github.com>
Date: Mon, 17 Feb 2020 13:26:18 +0100
Subject: [PATCH] Handle ZeroDivisionError

---
 musician/tests.py | 3 +++
 musician/utils.py | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/musician/tests.py b/musician/tests.py
index 13c365e..fe0215c 100644
--- a/musician/tests.py
+++ b/musician/tests.py
@@ -67,3 +67,6 @@ class GetBootstrapedPercentTest(TestCase):
         value = get_bootstraped_percent(-10, 100)
         self.assertIn(value, self.BS_WIDTH)
         self.assertEqual(value, 0)
+
+    def test_invalid_total_is_zero(self):
+        value = get_bootstraped_percent(25, 0)
diff --git a/musician/utils.py b/musician/utils.py
index 7b029c1..affc93f 100644
--- a/musician/utils.py
+++ b/musician/utils.py
@@ -4,8 +4,11 @@ def get_bootstraped_percent(value, total):
 
     Useful to set progress bar width using CSS classes (e.g. w-25)
     """
+    try:
+        percent = value / total
+    except ZeroDivisionError:
+        return 0
 
-    percent = value / total
     bootstraped = round(percent * 4) * 100 // 4
 
     # handle min and max boundaries