From eaabdce47aae2775f46a8ec956bb94530c58cb54 Mon Sep 17 00:00:00 2001
From: Marcel <marcel.paffrath@rub.de>
Date: Mon, 24 Jun 2019 15:02:58 +0200
Subject: [PATCH] [bugfix] on magnitudes

---
 pylot/core/analysis/magnitude.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pylot/core/analysis/magnitude.py b/pylot/core/analysis/magnitude.py
index 1d0d1235..c657f17c 100644
--- a/pylot/core/analysis/magnitude.py
+++ b/pylot/core/analysis/magnitude.py
@@ -119,7 +119,9 @@ class Magnitude(object):
         pass
 
     def updated_event(self, magscaling=None):
-        self.event.magnitudes.append(self.net_magnitude(magscaling))
+        net_ml = self.net_magnitude(magscaling)
+        if net_ml:
+            self.event.magnitudes.append(net_ml)
         return self.event
 
     def net_magnitude(self, magscaling=None):