Update codex_loader.py

codex/codex_loader.py

@@ -1 +1,18 @@
-print("Hello World")
+from __future__ import annotations
+
+from importlib import import_module
+from typing import Iterable
+
+
+def ensure_modules(mod_paths: Iterable[str]) -> None:
+    """
+    Import a list of modules to ensure class/function symbols are registered.
+
+    Example:
+        ensure_modules([
+            "codex.operator_definition",
+            "codex.truth_table",
+        ])
+    """
+    for path in mod_paths:
+        import_module(path)