From c8f12ccc9764066fec3622ad84f27dadc423d406 Mon Sep 17 00:00:00 2001
From: Sander Roosendaal <roosendaalsander@gmail.com>
Date: Wed, 3 Jan 2018 13:00:21 +0100
Subject: [PATCH] fixed AttributeError in dataprep (getsmallrowdata_db)

The rdata function returning a number instead of an object leads to
additional code in other parts of the software. Should consider changing
it to return an "empty" rowingdata object.
---
 rowers/dataprep.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/rowers/dataprep.py b/rowers/dataprep.py
index 6110cf26..6efa68d0 100644
--- a/rowers/dataprep.py
+++ b/rowers/dataprep.py
@@ -1557,7 +1557,11 @@ def getsmallrowdata_db(columns, ids=[], doclean=True, workstrokesonly=True):
     if extracols and len(ids)==1:
         w = Workout.objects.get(id=ids[0])
         row = rdata(w.csvfilename)
-        f = row.df['TimeStamp (sec)'].diff().mean()
+        try:
+            f = row.df['TimeStamp (sec)'].diff().mean()
+        except AttributeError:
+            f = 0
+            
         if f != 0 and not np.isnan(f):
             windowsize = 2 * (int(10. / (f))) + 1
         else: