From 77f7cf4844ac54b98436ca4d5a0db0878452fdb9 Mon Sep 17 00:00:00 2001
From: Sander Roosendaal <roosendaalsander@gmail.com>
Date: Fri, 20 Dec 2019 16:41:54 +0100
Subject: [PATCH] returning 0 is makeplot gives no image

---
 rowers/tasks.py | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/rowers/tasks.py b/rowers/tasks.py
index aec4f4d6..d39ca012 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -1887,13 +1887,16 @@ def handle_makeplot(f1, f2, t, hrdata, plotnr, imagename,
         t += ' - Power Distribution'
         fig1 = row.get_power_piechart(t)
 
-    if fig1:
-        canvas = FigureCanvas(fig1)
+    if fig1 is None:
+        return 0
 
-        canvas.print_figure('static/plots/' + imagename)
-        plt.close(fig1)
-        fig1.clf()
-        gc.collect()
+
+    canvas = FigureCanvas(fig1)
+
+    canvas.print_figure('static/plots/' + imagename)
+    plt.close(fig1)
+    fig1.clf()
+    gc.collect()
 
     return imagename