diff --git a/src/cristallina/p22478/__init__.py b/src/cristallina/p22478/__init__.py
new file mode 100644
index 0000000..2d1245b
--- /dev/null
+++ b/src/cristallina/p22478/__init__.py
@@ -0,0 +1 @@
+print("p22478 module imported.")
\ No newline at end of file