Liquid syntax error: Variable '{{

import os

Get Hugging Face API Key

huggingface_token = os.environ.get('HUGGINGFACE_API_KEY')

PubMed Fetcher

from pymed import PubMed
from typing import List
from haystack import component
from haystack import Document

pubmed = PubMed(tool="Mervin.Praison", email="test@test.com")

def documentize(article):
return Document(content=article.abstract, meta={'title': article.title, 'keywords': article.keywords}' was not properly terminated with regexp: /\}\}/