From 56f1a0ae53773285db53c367e697e0a015eed5f1 Mon Sep 17 00:00:00 2001
From: Paul Kehrer <paul.l.kehrer@gmail.com>
Date: Fri, 24 Oct 2014 10:30:25 -0700
Subject: add comment explaining some weirdness

---
 tests/conftest.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/conftest.py b/tests/conftest.py
index fd618039..1cb2b30d 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -40,6 +40,8 @@ def pytest_generate_tests(metafunc):
                     filtered_backends.append(backend)
 
         if not filtered_backends:
+            # If you pass an empty list to parametrize Bad Things(tm) happen
+            # as of pytest 2.6.4 when the test also has a parametrize decorator
             pytest.skip(
                 "No backends provided supply the interface: {0}".format(
                     ", ".join(iface.__name__ for iface in required_interfaces)
-- 
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