Update app.py

app.py

@@ -46,9 +46,9 @@ if "knowledge_base" not in st.session_state:
     st.session_state.knowledge_base = None
 
 if st.session_state.knowledge_base is None:
-    pdf_file = st.file_uploader("Upload a PDF file", "pdf")
+    pdf_file = st.file_uploader("Upload a PDF file",, "csv")
     if pdf_file:
-        with tempfile.NamedTemporaryFile(delete=False, suffix=".pdf") as temp_file:
+        with tempfile.NamedTemporaryFile(delete=False, suffix=".csv") as temp_file:
             temp_file.write(pdf_file.getbuffer())
             temp_file_path = temp_file.name
             docqa = DocQA(temp_file_path)