From a747d47fed584278360e628b6899e9e29b627c88 Mon Sep 17 00:00:00 2001
From: Sander Roosendaal <roosendaalsander@gmail.com>
Date: Mon, 19 Oct 2020 18:28:34 +0200
Subject: [PATCH] bug fix

---
 rowers/dataprepnodjango.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/rowers/dataprepnodjango.py b/rowers/dataprepnodjango.py
index 69e9f5af..a6ca3b5f 100644
--- a/rowers/dataprepnodjango.py
+++ b/rowers/dataprepnodjango.py
@@ -173,7 +173,10 @@ def create_c2_stroke_data_db(
     except ZeroDivisionError:
         spm = 20*np.zeros(nr_strokes)
 
-    step = totalseconds/float(nr_strokes)
+    try:
+        step = totalseconds/float(nr_strokes)
+    except ZeroDivisionError:
+        return 0
 
     elapsed = np.arange(nr_strokes)*totalseconds/(float(nr_strokes-1))