Update index.py

index.py

@@ -234,7 +234,7 @@ def update_output(selected_topic, selected_domain, start_date, end_date):
     
         # Bar Graph start
         # Convert 'period' column to datetime
-        grouped_df['period'] = pd.to_datetime(df['date'], format='%m/%Y')
+        df_filtered['period'] = pd.to_datetime(df_filtered['date'], format='%m/%Y')
         
         grouped_df = df_filtered.groupby(['period', 'Veículos de notícias']).size().reset_index(name='occurrences')