Update app.py

app.py

@@ -71,6 +71,9 @@ def generate_gantt():
         fig.update_yaxes(autorange="reversed")
         fig.update_layout(height=400, margin=dict(l=20, r=20, t=30, b=20))
         return pio.to_html(fig, full_html=True, include_plotlyjs='cdn')
+        print("=== HTML Output Preview ===")
+        print(html[:500])  # Nur ein Teil
+return html
     except Exception as e:
         return f"<b>Fehler:</b> {e}"