Update app.py

app.py

@@ -342,11 +342,10 @@ with gr.Blocks(title="🚀 GPT-2 Pseudo-Code to Code Generator", theme=gr.themes
                         lines=4
                     )
                     
-                    reference_code = gr.Code(
+                    reference_code = gr.Textbox(
                         label="Reference Code (Optional - for BLEU score calculation)",
-                        language="python",
-                        lines=4,
-                        placeholder="Paste reference code here to calculate BLEU scores..."
+                        placeholder="Paste reference code here to calculate BLEU scores...",
+                        lines=4
                     )
                     
                     gr.Markdown("### ⚙️ Generation Parameters")