Fix Arrow.width error: replace width='stretch' with use_container_width=True and add try/except error handling for charts

app.py

@@ -286,67 +286,83 @@ else:
                 
                 # Render Clean DataFrame
                 st.markdown("### 📈 Optimal Allocation Data Profile Table")
-                st.dataframe(
-                    df_profile.style.format({
-                        "Optimal Budget Allocation (₹)": "₹{:,.2f}",
-                        "Budget Share (%)": "{:.2f}%",
-                        "Reach Efficiency (Views/₹)": "{:,.1f}",
-                        "Expected Impressions (Views)": "{:,.0f}"
-                    }),
-                    width="stretch",
-                    hide_index=True
-                )
+                try:
+                    st.dataframe(
+                        df_profile.style.format({
+                            "Optimal Budget Allocation (₹)": "₹{:,.2f}",
+                            "Budget Share (%)": "{:.2f}%",
+                            "Reach Efficiency (Views/₹)": "{:,.1f}",
+                            "Expected Impressions (Views)": "{:,.0f}"
+                        }),
+                        use_container_width=True,
+                        hide_index=True
+                    )
+                except Exception as chart_err:
+                    st.warning(f"⚠️ Table rendering issue: {chart_err}")
+                    st.write(df_profile)
                 
                 # Graphical Visualizations in Columns
                 chart_col1, chart_col2 = st.columns(2)
                 
                 with chart_col1:
                     st.markdown("### 📊 Optimal Spend Allocation per Platform")
-                    # Plotly Corporate Styled Bar Chart
-                    fig_bar = go.Figure(data=[
-                        go.Bar(
-                            x=platform_names,
-                            y=spend_splits,
-                            text=[f"₹{s:,.0f}" for s in spend_splits],
-                            textposition='auto',
-                            marker=dict(
-                                color=['#6c5ce7', '#0984e3', '#00cec9'],
-                                line=dict(color='rgba(0, 0, 0, 0.1)', width=1)
+                    try:
+                        # Plotly Corporate Styled Bar Chart
+                        fig_bar = go.Figure(data=[
+                            go.Bar(
+                                x=platform_names,
+                                y=spend_splits,
+                                text=[f"₹{s:,.0f}" for s in spend_splits],
+                                textposition='auto',
+                                marker=dict(
+                                    color=['#6c5ce7', '#0984e3', '#00cec9'],
+                                    line=dict(color='rgba(0, 0, 0, 0.1)', width=1)
+                                )
                             )
+                        ])
+                        fig_bar.update_layout(
+                            yaxis_title="Budget Split (₹)",
+                            xaxis_title="Platform",
+                            template="plotly_white",
+                            margin=dict(l=20, r=20, t=20, b=20),
+                            height=400,
+                            hovermode="x unified"
                         )
-                    ])
-                    fig_bar.update_layout(
-                        yaxis_title="Budget Split (₹)",
-                        xaxis_title="Platform",
-                        template="plotly_white",
-                        margin=dict(l=20, r=20, t=20, b=20),
-                        height=400,
-                        hovermode="x unified"
-                    )
-                    st.plotly_chart(fig_bar, width="stretch")
+                        st.plotly_chart(fig_bar, use_container_width=True)
+                    except Exception as chart_err:
+                        st.warning(f"⚠️ Bar chart rendering failed: {chart_err}")
+                        st.write("**Optimal Spend Allocation:**")
+                        for name, spend in zip(platform_names, spend_splits):
+                            st.write(f"- {name}: ₹{spend:,.2f}")
                     
                 with chart_col2:
                     st.markdown("### 🍕 Percentage Budget Distribution")
-                    # Plotly Corporate Styled Pie Chart
-                    fig_pie = go.Figure(data=[
-                        go.Pie(
-                            labels=platform_names,
-                            values=spend_splits,
-                            hole=0.4,
-                            marker=dict(
-                                colors=['#6c5ce7', '#0984e3', '#00cec9']
-                            ),
-                            textinfo='percent+label',
-                            insidetextorientation='radial'
+                    try:
+                        # Plotly Corporate Styled Pie Chart
+                        fig_pie = go.Figure(data=[
+                            go.Pie(
+                                labels=platform_names,
+                                values=spend_splits,
+                                hole=0.4,
+                                marker=dict(
+                                    colors=['#6c5ce7', '#0984e3', '#00cec9']
+                                ),
+                                textinfo='percent+label',
+                                insidetextorientation='radial'
+                            )
+                        ])
+                        fig_pie.update_layout(
+                            template="plotly_white",
+                            margin=dict(l=20, r=20, t=20, b=20),
+                            height=400,
+                            showlegend=False
                         )
-                    ])
-                    fig_pie.update_layout(
-                        template="plotly_white",
-                        margin=dict(l=20, r=20, t=20, b=20),
-                        height=400,
-                        showlegend=False
-                    )
-                    st.plotly_chart(fig_pie, width="stretch")
+                        st.plotly_chart(fig_pie, use_container_width=True)
+                    except Exception as chart_err:
+                        st.warning(f"⚠️ Pie chart rendering failed: {chart_err}")
+                        st.write("**Budget Distribution:**")
+                        for name, spend, pct in zip(platform_names, spend_splits, percentages):
+                            st.write(f"- {name}: ₹{spend:,.2f} ({pct:.1f}%)")
                     
             with tab2:
                 # Technical Solver summary logs for reviews