diff --git a/charm/pyproject.toml b/charm/pyproject.toml
index c05fce777..e4730ddc4 100644
--- a/charm/pyproject.toml
+++ b/charm/pyproject.toml
@@ -73,4 +73,4 @@ per-file-ignores = {"tests/*" = ["D100","D101","D102","D103","D104"]}
 max-complexity = 10
 
 [tool.codespell]
-skip = "build,lib,venv,icon.svg,.tox,.git,.mypy_cache,.ruff_cache,.coverage"
\ No newline at end of file
+skip = "build,lib,venv,icon.svg,.tox,.git,.mypy_cache,.ruff_cache,.coverage"
diff --git a/charm/tests/__init__.py b/charm/tests/__init__.py
new file mode 100644
index 000000000..e3979c0f6
--- /dev/null
+++ b/charm/tests/__init__.py
@@ -0,0 +1,2 @@
+# Copyright 2024 Canonical Ltd.
+# See LICENSE file for licensing details.