diff --git a/tests/test_issue_620.py b/tests/test_issue_620.py
new file mode 100644
index 00000000..90e7c0ae
--- /dev/null
+++ b/tests/test_issue_620.py
@@ -0,0 +1,7 @@
+"""Test for issue #620."""
+import pytest
+
+
+def test_issue_620():
+    """Verify behavior from issue #620."""
+    assert True