1 files changed, 3 insertions, 1 deletions

diff --git a/conftest.py b/conftest.py
index 4832011..c846afa 100644
--- a/conftest.py
+++ b/conftest.py
@@ -21,12 +21,14 @@ def pytest_generate_tests(metafunc: Metafunc):
             for part in ['1', '2']
         ]
 
+        print(assignments)
+
         metafunc.parametrize(
             argnames=f'assignment',
             argvalues=[
                 Assignment(path=package.__path__[0])
                 for (Assignment, package) in assignments
-                if Assignment is not None
+                if Assignment is not None and hasattr(package, '__path__')
             ],
             ids=lambda assignment: str(assignment)
         )