Update ui/analytics_plot_generator.py

ui/analytics_plot_generator.py

@@ -357,7 +357,7 @@ def generate_impressions_lineplot_component_data(df, post_details_map_ref):
     # If the df is empty, return an empty one to clear the plot while preserving the component type
     if plot_df.empty:
         logging.info("Returning an empty DataFrame to clear the line plot.")
-        return pd.DataFrame(columns=['date', 'impressions', 'label'])
+        return pd.DataFrame(columns=['date', 'impressions'])
 
     logging.info(f"Generated LinePlot data with {len(plot_df)} points.")