Update app.py

app.py

@@ -70,6 +70,9 @@ def image_qa_app(kbvqa):
                 image_data['analysis_done'] = True
 
         if image_data['analysis_done']:
+            # Initialize qa_history
+            qa_history = []
+        
             # Check if the question has already been asked
             current_image_key = st.session_state.get('current_image_key')
             question = st.text_input("Ask a question about this image:")
@@ -92,6 +95,9 @@ def image_qa_app(kbvqa):
     # Display Q&A history
     for q, a in qa_history:
         st.text(f"Q: {q}\nA: {a}\n")
+    # Display Q&A history
+    for q, a in qa_history:
+        st.text(f"Q: {q}\nA: {a}\n")
 def process_new_image(image_key, image, kbvqa):
     """Process a new image and update the session state."""
     if image_key not in st.session_state['images_data']: