From b65d79dd3e0727c9a809757589becd604e01bc90 Mon Sep 17 00:00:00 2001
From: Tobias Hangleiter <tobias.hangleiter@rwth-aachen.de>
Date: Fri, 3 Jul 2020 18:08:51 +0200
Subject: [PATCH] Catch exception during test discovery

---
 tests/test_extras.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tests/test_extras.py b/tests/test_extras.py
index a04b596..1d3978d 100644
--- a/tests/test_extras.py
+++ b/tests/test_extras.py
@@ -55,7 +55,10 @@ def test_plotting_not_available(self):
         reason='Skipping tests for missing bloch sphere visualization tests in build with qutip')  # noqa
     def test_bloch_sphere_visualization_not_available(self):
 
-        from filter_functions import plotting
+        try:
+            from filter_functions import plotting
+        except ModuleNotFoundError:
+            plotting = None
 
         with self.assertRaises(RuntimeError):
             plotting.get_bloch_vector(testutil.rng.standard_normal((10, 2)))