from haystack.document_stores import InMemoryDocumentStore
from haystack.nodes import TfidfRetriever
from haystack.pipelines import ExtractiveQAPipeline
from haystack.nodes import FARMReader

import joblib

docs = joblib.load('docs.joblib')

document_store = InMemoryDocumentStore()
document_store.write_documents(docs)

retriever = TfidfRetriever(document_store)
reader = FARMReader(model_name_or_path="ixa-ehu/SciBERT-SQuAD-QuAC")

pipeline = ExtractiveQAPipeline(reader, retriever)