Remove unnecessary trailing commas from last items in structures

Remove commas from the last item in lists, function calls, and nested structures
where they're not needed. Improves readability by removing visual clutter.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app.py

@@ -65,7 +65,7 @@ def create_kpi_card_figure(data_frame, title, icon, metric_value=None, is_curren
             title=title,
             icon=icon,
         ),
-        actions=va.set_control(control="metric", value=metric_value),
+        actions=va.set_control(control="metric", value=metric_value)
     )
 
 
@@ -102,13 +102,13 @@ overview_page = vm.Page(
                 create_kpi_card_figure(order_kpi_df, "Orders", "orders", metric_value="Order ID", is_currency=False),
                 create_kpi_card_figure(
                     customer_kpi_df, "Customers", "group", metric_value="Customer ID", is_currency=False
-                ),
+                )
             ],
-            layout=vm.Grid(grid=[[0, 1, 2, 3]]),
+            layout=vm.Grid(grid=[[0, 1, 2, 3]])
         ),
         create_chart_container_with_nav(
             id="line_month",
-            figure=create_line_chart_per_month(superstore_df, value_col="Sales"),
+            figure=create_line_chart_per_month(superstore_df, value_col="Sales")
         ),
         create_chart_container_with_nav(
             id="order_status",
@@ -129,7 +129,7 @@ overview_page = vm.Page(
             id="category_bar",
             figure=create_bar_current_vs_previous_category(superstore_df, value_col="Sales"),
             nav_href="/products",
-        ),
+        )
     ],
     controls=[
         vm.Parameter(
@@ -144,7 +144,7 @@ overview_page = vm.Page(
             ],
             show_in_url=True,  # TODO: think about where this needed
             visible=False,
-        ),
+        )
     ],
 )
 
@@ -161,15 +161,15 @@ regions_page = vm.Page(
                             id="region_map_chart",
                             header="💡 Click on a state to filter charts on the right.",
                             figure=create_map_bubble_new(superstore_df, value_col="Sales", custom_data=["State_Code"]),
-                            actions=va.set_control(control="state_filter", value="State_Code"),
-                        ),
+                            actions=va.set_control(control="state_filter", value="State_Code")
+                        )
                     ],
                 ),
                 vm.Container(
                     controls=[
                         vm.Parameter(
                             targets=["pg2-chart-1.top_n"],
-                            selector=vm.Slider(min=5, max=30, step=5, value=20, title="Choose top N"),
+                            selector=vm.Slider(min=5, max=30, step=5, value=20, title="Choose top N")
                         ),
                         vm.Parameter(
                             selector=vm.RadioItems(
@@ -177,7 +177,7 @@ regions_page = vm.Page(
                                 title="Choose y-axis",
                             ),
                             targets=["pg2-chart-1.y"],
-                        ),
+                        )
                     ],
                     components=[
                         vm.Graph(
@@ -186,7 +186,7 @@ regions_page = vm.Page(
                         )
                     ],
                     variant="filled",
-                ),
+                )
             ],
             controls=[
                 vm.Filter(
@@ -196,11 +196,11 @@ regions_page = vm.Page(
                 ),
                 vm.Filter(
                     column="Segment",
-                    selector=vm.Checklist(title="Choose segment"),
+                    selector=vm.Checklist(title="Choose segment")
                 ),
                 vm.Filter(
                     column="Category",
-                    selector=vm.Checklist(title="Choose category"),
+                    selector=vm.Checklist(title="Choose category")
                 ),
                 vm.Parameter(
                     selector=vm.RadioItems(
@@ -211,9 +211,9 @@ regions_page = vm.Page(
                         "region_map_chart.value_col",
                         "pg2-chart-1.x",
                     ],
-                ),
+                )
             ],
-        ),
+        )
     ],
 )
 
@@ -225,7 +225,7 @@ customers_page = vm.Page(
             controls=[
                 vm.Filter(column="Region", selector=vm.Checklist(title="Choose region")),
                 vm.Filter(column="Segment", selector=vm.Checklist(title="Choose segment")),
-                vm.Filter(column="Category", selector=vm.Checklist(title="Choose category")),
+                vm.Filter(column="Category", selector=vm.Checklist(title="Choose category"))
             ],
             components=[
                 vm.AgGrid(
@@ -235,11 +235,11 @@ customers_page = vm.Page(
                         aggrid_df,
                         columnDefs=COLUMN_DEFS_CUSTOMERS,
                     ),
-                    actions=va.set_control(control="pg3_parameter_1", value="Customer Name"),
+                    actions=va.set_control(control="pg3_parameter_1", value="Customer Name")
                 ),
-                vm.Graph(id="pg3_pareto_chart", figure=pareto_customers_chart(superstore_df, highlight_customer=None)),
+                vm.Graph(id="pg3_pareto_chart", figure=pareto_customers_chart(superstore_df, highlight_customer=None))
             ],
-        ),
+        )
     ],
     controls=[
         vm.Parameter(
@@ -247,7 +247,7 @@ customers_page = vm.Page(
             targets=["pg3_pareto_chart.highlight_customer"],
             selector=vm.Dropdown(options=customer_name, value="NONE", multi=False),
             visible=False,
-        ),
+        )
     ],
 )
 
@@ -262,8 +262,8 @@ products_page = vm.Page(
                         vm.Graph(
                             id="pg4-chart-1",
                             figure=bar_chart_by_category(superstore_df, custom_data=["Category"]),
-                            actions=va.set_control(control="pg4-filter-1", value="Category"),
-                        ),
+                            actions=va.set_control(control="pg4-filter-1", value="Category")
+                        )
                     ],
                     variant="filled",
                 ),
@@ -273,7 +273,7 @@ products_page = vm.Page(
                             id="table",
                             header="💡 Click on a row to highlight the data point in the matrix on the right.",
                             figure=dash_ag_grid(superstore_product_df, columnDefs=COLUMN_DEFS_PRODUCT),
-                            actions=va.set_control(control="pg4_parameter_1", value="Sub-Category"),
+                            actions=va.set_control(control="pg4_parameter_1", value="Sub-Category")
                         )
                     ],
                     variant="filled",
@@ -287,20 +287,20 @@ products_page = vm.Page(
                                 x="Sales",
                                 y="Profit",
                                 custom_data=["Sub-Category"],
-                            ),
-                        ),
+                            )
+                        )
                     ],
                     variant="filled",
-                ),
+                )
             ],
             layout=vm.Grid(
                 grid=[
                     [0, 0, 2, 2],
                     [1, 1, 2, 2],
-                    [1, 1, 2, 2],
+                    [1, 1, 2, 2]
                 ]
-            ),
-        ),
+            )
+        )
     ],
     controls=[
         vm.Filter(
@@ -320,7 +320,7 @@ products_page = vm.Page(
             targets=["pg4-chart-3.highlight_sub_category"],
             selector=vm.Dropdown(options=subcategories, value="NONE", multi=False),
             visible=False,
-        ),
+        )
     ],
 )
 
@@ -332,8 +332,8 @@ orders_page = vm.Page(
         vm.Button(
             text="Export data",
             icon="download",
-            actions=va.export_data(targets=["table_id"], file_format="xlsx"),
-        ),
+            actions=va.export_data(targets=["table_id"], file_format="xlsx")
+        )
     ],
 )
 
@@ -366,9 +366,9 @@ navigation = vm.Navigation(
                 pages=["Orders"],
                 icon="Shopping Cart",
                 label="Orders",
-            ),
+            )
         ]
-    ),
+    )
 )
 
 dashboard = vm.Dashboard(