From c6fe8ca7059e30b4faa03bba19682c1ac2581ad1 Mon Sep 17 00:00:00 2001
From: Sander Roosendaal <roosendaalsander@gmail.com>
Date: Wed, 13 Dec 2017 19:13:26 +0100
Subject: [PATCH] hotfix averaring in dataprep

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

diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index c9c76554..63d13b2e 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -1937,7 +1937,10 @@ def dataprep(rowdatadf, id=0, bands=True, barchart=True, otwpower=True,
 
     f = rowdatadf['TimeStamp (sec)'].diff().mean()
     if f != 0 and not np.isinf(f):
-        windowsize = 2 * (int(10. / (f))) + 1
+        try:
+            windowsize = 2 * (int(10. / (f))) + 1
+        except ValueError:
+            windowsize = 1
     else:
         windowsize = 1
     if windowsize <= 3: