https://github.com/eclipse-basyx/basyx-python-sdk/blob/eaa59e376c6baf8d48b7ea9e143da7299087e882/sdk/basyx/aas/examples/tutorial_serialization_deserialization.py#L13 misses the import of the json adapter.