Update app.py

app.py

@@ -15,21 +15,26 @@ do_sample = st.sidebar.checkbox("Use Sampling", value=False)
 
 # Main area - Display content and summary
 if uploaded_file is not None:
-    text = uploaded_file.read().decode("utf-8")
-    
-    # Ensure the text is long enough
-    if len(text.split()) > min_length:
-        try:
+    try:
+        # Read the uploaded file and decode it
+        text = uploaded_file.read().decode("utf-8")
+
+        # Ensure the text is long enough for summarization
+        if len(text.split()) > min_length:
             # Load the model from Hugging Face
             summarizer = pipeline("summarization", model="facebook/bart-large-cnn")
-            
+
             # Summarize the document
             summary = summarizer(text, max_length=max_length, min_length=min_length, do_sample=do_sample)
             st.subheader("Summary:")
             st.write(summary[0]['summary_text'])
-        except Exception as e:
-            st.error(f"An error occurred: {e}")
-    else:
-        st.warning("Text is too short to summarize.")
+        else:
+            st.warning("The document is too short to summarize. Please upload a longer document.")
+    
+    except IndexError as e:
+        st.error(f"IndexError: {e}. This error may occur if the text is too short or there's an issue with the model's processing. Try adjusting the summarization parameters or uploading a longer document.")
+    
+    except Exception as e:
+        st.error(f"An unexpected error occurred: {e}")
 else:
     st.info("Please upload a document to summarize.")