Update app.py

app.py

@@ -143,7 +143,19 @@ else:
                 prs.save(presentation_filename)
 
                 # Provide a direct download link to the saved file
-                st.markdown(f"### Download your presentation: [Download {presentation_title}](./{presentation_filename})")
+                if os.path.exists(presentation_filename):
+                    with open(presentation_filename, "rb") as file:
+                        file_bytes = file.read()
+                        st.download_button(
+                            label=f"📥 Download {presentation_title}",
+                            data=file_bytes,
+                            file_name=presentation_filename,
+                            key=f"download_{presentation_filename}",
+                        )
+
+                    os.remove(presentation_filename)
+                else:
+                    st.error("Error: Presentation file not found.")
 
             except json.JSONDecodeError as e:
                 st.error("Error parsing JSON response from OpenAI.")