Update app.py

app.py

@@ -291,7 +291,7 @@ def display_pet_details(pet_id):
         return
     
     # Back button
-    if st.button("← Back to Search Results"):
+    if st.button("← Back to Search Results, key=f"back_{pet_id}"):
         if st.session_state.selected_pet is not None:
             st.session_state.selected_pet = None
             st.rerun()  # Force immediate rerun