If you're venturing into the domain of natural language processing, you're likely to come across an abundance of tools and libraries designed to assist you in understanding and generating human-like text. One such toolkit is LlamaIndex, a robust inde...

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law
Great tutorial! This is a comprehensive guide on how to create, save, and customize indexes using LlamaIndex.
Hi That is nicely written guides. I have a question: For below codes;
from llama_index import VectorStoreIndex, SimpleDirectoryReader
#Load documents from a directory documents = SimpleDirectoryReader('book').load_data()
#Create an index from the documents index=VectorStoreIndex.from_documents(documents)
i have an exception thrown at this line:VectorStoreIndex.from_documents(..)
No API key found for OpenAI. Please set either the OPENAI_API_KEY environment variable or openai.api_key prior to initialization. API keys can be found or created at .....
I am just testing the indexing, and i am not using openai. Why was there an openai exception when the app is executing this line: VectorStoreIndex.from_documents(documents)?