add requirements.txt

app.py

@@ -102,8 +102,8 @@ def main() -> None:
     #         return tuple(summarizer.abstractive_summary(list(summary_sentence)))
 
     if summarize_button:
-        output = pipeline(st.session_state.target_text_input)
-        output(output[0])
+        summary = pipeline(target_text_input)
+        st.markdown(summary)
 
 
 if __name__ == "__main__":