• You can omit the base class implementation. Just one file where this works is enough, we'll highlight the interfaces a bit later.
• You can use GPT-4 for initial implementation
• Tests are encouraged but not required. It's better to do something minimal than nothing.

References:

• https://api.python.langchain.com/en/latest/retrievers/langchain.retrievers.svm.SVMRetriever.html