from django.contrib.admin.views.main import ChangeList

class ListStyleAdminMixin(object):
    def get_row_css(self, obj, index):
        return ''
        

@@ -1,59 +1,4 @@
-from django.contrib.admin.views.main import ChangeList%0A
 %0Acla
@@ -90,13 +90,4 @@
  ''%0A
-        %0A

remove unused import