Try to fix issue 4

rog/admin.py

@@ -35,6 +35,9 @@ from .services.csv_processor import EntryCSVProcessor
 class EntryAdmin(admin.ModelAdmin):
     list_display = ['team', 'event', 'category', 'date', 'is_active']
     
+    # change_list_templateの追加
+    change_list_template = 'admin/entry/change_list.html'  # この行を追加
+       
     def get_urls(self):
         from django.urls import path
         urls = super().get_urls()