Import core (art-dag) as core/

core/artdag/nodes/__init__.py

@@ -0,0 +1,11 @@
+# primitive/nodes/__init__.py
+"""
+Built-in node executors.
+
+Import this module to register all built-in executors.
+"""
+
+from . import source
+from . import transform
+from . import compose
+from . import effect