Update app.py

app.py

@@ -105,8 +105,7 @@ st.markdown("""
 @st.cache_resource
 def get_pdf_index():
     with st.spinner('📄 در حال پردازش فایل PDF...'):
-        pdf_reader = PyPDFLoader('test1.pdf')
-
+        pdf_reader = [PyPDFLoader('test1.pdf')]
         embeddings = HuggingFaceInstructEmbeddings(model_name="openai/whisper-small")
         index  = VectorstoreIndexCreator( embedding=embeddings, text_splitter=RecursiveCharacterTextSplitter(chunk_size=1000, chunk_overlap=128)).from_loaders(pdf_reader)
         return index