From 82b517426804e9e6984317f4b3aa5bbda5e3dc5e Mon Sep 17 00:00:00 2001
From: Guilherme Castelao <guilherme@castelao.net>
Date: Fri, 26 May 2017 09:46:40 -0700
Subject: [PATCH] Exit density inversion test if gsw is not available.

---
 tests/qctests/test_density_inversion.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tests/qctests/test_density_inversion.py b/tests/qctests/test_density_inversion.py
index b23ba05..dd3997a 100644
--- a/tests/qctests/test_density_inversion.py
+++ b/tests/qctests/test_density_inversion.py
@@ -10,6 +10,12 @@
 
 
 def test():
+    try:
+        import gsw
+    except:
+        print('GSW package not available. Can\'t run density_inversion test.')
+        return
+
     dummy_data = {
         'PRES': ma.masked_array([0.0, 100, 5000]),
         'TEMP': ma.masked_array([25.18, 19.73, 2.13]),