Update app.py

app.py

@@ -462,7 +462,7 @@ with tabs[2]:
                 st.error(out["error"])
             else:
                 st.success(f"Vector size: {out['hidden_size']}")
-                st.json({"embedding_preview": out["embedding"][:8]}")
+                st.json({"embedding_preview": out["embedding"][:8]})
     
     with col4:
         st.caption("GC content")