Update app.py

app.py

@@ -79,12 +79,16 @@ elif option == "Text summarization":
 
     elif source == "I want to upload a file":
         uploaded_file = st.file_uploader("Choose a .txt file to upload", type=["txt"])
-        button = st.button('Get summary')
-        if button:
-            summarizer = summarization_model()
-            with st.spinner(text="Summarizing text..."):
-                summary = summarizer(text, max_length=130, min_length=30)
-                st.write(summary)
+        if uploaded_file is not None:
+            raw_text = str(uploaded_file.read(),"utf-8")
+            text = st.text_area("", value=raw_text, height=330)
+            button = st.button("Get summary")
+            if button:
+                with st.spinner(text="Loading summarization model..."):
+                    summarizer = summarization_model()
+                with st.spinner(text="Summarizing text..."):
+                    summary = summarizer(text, max_length=130, min_length=30)
+                    st.write(summary[0]["summary_text"])
                 
 elif option == 'Text generation':
     st.markdown("<h2 style='text-align: center; color:grey;'>Generate text</h2>", unsafe_allow_html=True)