def start_date_is_still_default(self):
     """
     Checks if the start date set for the course is still default, i.e.
     .start has not been modified, and .advertised_start has not been set.
     """
     return course_metadata_utils.course_start_date_is_default(
         self.start,
         self.advertised_start,
     )
 def start_date_is_still_default(self):
     """
     Checks if the start date set for the course is still default, i.e.
     .start has not been modified, and .advertised_start has not been set.
     """
     return course_metadata_utils.course_start_date_is_default(
         self.start,
         self.advertised_start,
     )