fix: only download of there is data

app.py

@@ -8,5 +8,7 @@ text = st.text_area("Summarise the following")
 if text:
     out = pipe(text, do_sample=False)
     st.write(out)
-
-st.download_button("summary download", out[0], file_name="summersation.txt", mime="text/plain")
+    stwrite(f"{type(out)}")
+    
+if len(out) > 100:
+  st.download_button("summary download", out, file_name="summersation.txt", mime="text/plain")