old_contents: """
  Models for the records app.
  """
  import uuid
  
  from django.db import models
  from django_extensions.db.models import TimeStampedModel
  
  from credentials.apps.catalog.models import CourseRun, Program
  from credentials.apps.core.models import User
  
  
  class UserGrade(TimeStampedModel):
      """
      A grade for a specific user and course run
      """
      username = models.CharField(max_length=150, blank=False)
      course_run = models.ForeignKey(CourseRun)
      letter_grade = models.CharField(max_length=255, blank=True)
      percent_grade = models.DecimalField(max_digits=5, decimal_places=4, null=False)
      verified = models.BooleanField(verbose_name='Verified Learner ID', default=True)
  
      class Meta(object):
          unique_together = ('username', 'course_run')
  
  
  class ProgramCertRecord(TimeStampedModel):
      """
      Connects a User with a Program
      """
      program = models.ForeignKey(Program, null=True)
      user = models.ForeignKey(User)
      uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
  
      def __str__(self):
          return 'ProgramCertificateRecord: {uuid}'.format(uuid=self.uuid)
  
      class Meta(object):
          verbose_name = "A viewable record of a program"
  
new_contents: """
  Models for the records app.
  """
  import uuid
  
  from django.db import models
  from django_extensions.db.models import TimeStampedModel
  
  from credentials.apps.catalog.models import CourseRun, Program
  from credentials.apps.core.models import User
  from credentials.apps.credentials.models import ProgramCertificate
  
  
  class UserGrade(TimeStampedModel):
      """
      A grade for a specific user and course run
      """
      username = models.CharField(max_length=150, blank=False)
      course_run = models.ForeignKey(CourseRun)
      letter_grade = models.CharField(max_length=255, blank=True)
      percent_grade = models.DecimalField(max_digits=5, decimal_places=4, null=False)
      verified = models.BooleanField(verbose_name='Verified Learner ID', default=True)
  
      class Meta(object):
          unique_together = ('username', 'course_run')
  
  
  class ProgramCertRecord(TimeStampedModel):
      """
      Connects a User with a Program
      """
      certificate = models.ForeignKey(ProgramCertificate, null=True)
      program = models.ForeignKey(Program, null=True)
      user = models.ForeignKey(User)
      uuid = models.UUIDField(default=uuid.uuid4, editable=False, unique=True)
  
      def __str__(self):
          return 'ProgramCertificateRecord: {uuid}'.format(uuid=self.uuid)
  
      class Meta(object):
          verbose_name = "A viewable record of a program"
  
subject: Revert early removal of certificate field