success

annotations/external_module.py

@@ -0,0 +1,7 @@
+EXTERNAL_FREEZE_MODULES = set()
+
+def external_freeze(cls):
+    if not hasattr(cls, 'load') or not callable(getattr(cls, 'load')):
+        raise TypeError(f"external module <{cls.__name__}> must implement a 'load' method")
+    EXTERNAL_FREEZE_MODULES.add(cls)
+    return cls