Update src/streamlit_app.py

src/streamlit_app.py

@@ -57,12 +57,19 @@ st.sidebar.write("Press Submit to process:")
 process = st.sidebar.button("Submit")
 
 #Document processing to convert it into vectors
+# if process:
+#     if uploaded_file:
+#         # Process the uploaded PDF file
+#         process_pdf(uploaded_file)
+#     else:
+#         st.warning("Please upload a PDF file.")
+
 if process:
-    if uploaded_file:
-        # Process the uploaded PDF file
+    if uploaded_file is not None and isinstance(uploaded_file, list) and len(uploaded_file) > 0:
         process_pdf(uploaded_file)
     else:
-        st.warning("Please upload a PDF file.")
+        st.warning("Please upload at least one PDF file.")
+        
         
 if input_method == "Choose input method...":
     st.title(f"Welcome You all!")