Update frontend.py

frontend.py

@@ -180,7 +180,8 @@ with tab1:
                 df["date"] = pd.to_datetime(df["timestamp"]).dt.date
                 trend = df.groupby(["date", "churn_risk"]).size().unstack(fill_value=0).reset_index()
                 st.markdown("#### 📅 Daily Churn Trend")
-                fig = px.bar(trend, x="date", y=["High Risk", "Low Risk"], barmode="group")
+                y_columns = [col for col in trend.columns if col not in ["date"]]
+                fig = px.bar(trend, x="date", y=y_columns, barmode="group")
                 st.plotly_chart(fig, use_container_width=True)
                 st.download_button("⬇️ Export Trend CSV", trend.to_csv(index=False), "churn_trend.csv")
             except Exception as e: