diff --git a/sisl/nodes/tests/__init__.py b/sisl/nodes/tests/__init__.py
new file mode 100644
index 0000000000..210912af7a
--- /dev/null
+++ b/sisl/nodes/tests/__init__.py
@@ -0,0 +1,4 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at https://mozilla.org/MPL/2.0/.
+""" tests for sisl.nodes """