From 39f8ad1c77dac34227059a35068a34a58caff05b Mon Sep 17 00:00:00 2001
From: Sander Roosendaal <roosendaalsander@gmail.com>
Date: Tue, 28 Feb 2017 16:56:37 +0100
Subject: [PATCH] error checking around notes saved with interval editor

---
 rowers/views.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/rowers/views.py b/rowers/views.py
index 40e82e19..a025f86e 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -4990,9 +4990,10 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
 	nrintervals = len(idist)
 	row.summary = intervalstats
 	#intervalstats = rowdata.allstats()
-	row.notes += u'{n} \n {s}'.format(
-            n = row.notes,
-            s = s
+        if s:
+	    row.notes += u'{n} \n {s}'.format(
+                n = row.notes,
+                s = s
             )
 	row.save()
 	rowdata.write_csv(f1,gzip=True)