diff --git a/__init__.py b/__init__.py
new file mode 100644
index 0000000..e60a055
--- /dev/null
+++ b/__init__.py
@@ -0,0 +1,10 @@
+# encoding: utf-8
+"""
+"""
+
+import typing as _t
+
+NODE_CLASS_MAPPINGS: _t.Dict[str, type] = dict()
+NODE_DISPLAY_NAME_MAPPINGS: _t.Dict[str, str] = dict()
+
+__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS"]