Update app.py

app.py

@@ -117,7 +117,7 @@ class TogetherEmbeddings(Embeddings):
 @st.cache_resource
 def get_pdf_index():
     with st.spinner('📄 در حال پردازش فایل PDF...'):
-        loader = [PyPDFLoader('test1.pdf')]
+        loader = PyPDFLoader('test1.pdf')
         pages = loader.load()
         full_text = "\n".join([page.page_content for page in pages])
         text_splitter = RecursiveCharacterTextSplitter(