cleaning

main.py

@@ -20,11 +20,10 @@ service_context = ServiceContext.from_defaults(llm=llm, embed_model=embed_model)
 if "index" in os.listdir():
     storage_context = StorageContext.from_defaults(persist_dir=Path("./index"))
 else: 
-    UnstructuredReader = download_loader('UnstructuredReader')
-    dir_reader = SimpleDirectoryReader(Path('./docs/'), file_extractor={".pdf": UnstructuredReader()})
+    dir_reader = SimpleDirectoryReader(Path('./docs'))
     documents = dir_reader.load_data()
     index = VectorStoreIndex.from_documents(documents, service_context=service_context)
-    index.storage_context.persist(Path('index'))
+    index.storage_context.persist(Path('./index'))
     storage_context = StorageContext.from_defaults(persist_dir=Path("./index"))
 
 # Load the vector stores that were created earlier.

requirements.txt

@@ -7,3 +7,4 @@ optimum[exporters]
 uvicorn
 llama-index
 voyageai
+langchain