tests/trio/test_fixtures.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/trio/test_fixtures.py b/tests/trio/test_fixtures.py
index 42b2843..3728da3 100644
--- a/tests/trio/test_fixtures.py
+++ b/tests/trio/test_fixtures.py
@@ -1,5 +1,10 @@
 from textwrap import dedent
 
+import pytest
+
+# not packaged yet in Sisyphus
+pytest.importorskip("pytest_trio")
+
 
 def test_strict_mode_ignores_trio_fixtures(testdir):
     testdir.makepyfile(