Might have foudn filenotfounderror fix (helps if you spell the file name correctly...)

app.py

@@ -117,7 +117,7 @@ if torch.cuda.is_available():
     service_context = ServiceContext.from_defaults(chunk_size=1024, llm=llm, embed_model=embeddings)
     set_global_service_context(service_context)
     print(os.listdir())
-    file_path = Path(os.getcwd() + "/files/Full Pamplet.pdf")
+    file_path = Path("files/Full_Pamplet.pdf")
     documents = read_pdf_to_documents(file_path)
     index = VectorStoreIndex.from_documents(documents)
     query_engine = index.as_query_engine()