From d7418d2b30600a19f9c65c393a05dfd328811e2c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludger=20K=C3=BCperkoch?= <kueperkoch@bestec-for-nature.com>
Date: Thu, 27 Oct 2016 16:17:21 +0200
Subject: [PATCH] Fixed oversight

---
 pylot/core/analysis/magnitude.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pylot/core/analysis/magnitude.py b/pylot/core/analysis/magnitude.py
index 6c91c627..f3dc5a3e 100644
--- a/pylot/core/analysis/magnitude.py
+++ b/pylot/core/analysis/magnitude.py
@@ -459,7 +459,7 @@ def calcsourcespec(wfstream, onset, vp, delta, azimuth, incidence,
                   "no rotation of components possible!")
         # instead, use component 3
         ldat = LQT.select(component="3")
-        if len(ldat == 0:
+        if len(ldat) == 0:
             # maybe component z available
             ldat = LQT.select(component="Z")