Update app.py

app.py

@@ -10,6 +10,8 @@ import re
 # storage_context = StorageContext.from_defaults(persist_dir=f'./md_vector_store')
 # index = load_index_from_storage(storage_context)
 
+md_file = "opertgfr2.md"
+
 sections = split_markdown_by_section(md_file)
 docs = build_documents(sections)
 index = create_vector_index(docs)