old_contents: from django.db import models
  from django.contrib.auth.models import User
  
  class Comments(models.Model):
      comment = models.CharField(max_length=500)
      user = models.ForeignKey(User)
  
  class Level(models.Model):
      level_choices = (
          (0, "LOW"),
          (1, "MEDIUM"),
          (2, "HIGH"),
          (3, "CRITICAL"),
          (4, "BLOCKER"),
      )
      level = models.CharField(max_length=10, choices=level_choices)
  
  class Project(models.Model):
      user = models.ForeignKey(User)
      # issue = models.ForeignKey(Issue, null=True)
      name = models.CharField(max_length=100)
      version = models.CharField(max_length=15, null=True)
      release_date = models.DateField(null=True)
  
  class Issue(models.Model):
      project = models.ForeignKey(Project)
      status_choices = (
          ("0", "OPEN"),
          ("1", "IN PROGRESS"),
          ("2", "FINISHED"),
          ("3", "CLOSED"),
          ("4", "CANCELED"),
      )
      status = models.CharField(max_length=10, choices=status_choices)
      level_choices = (
          ("0", "LOW"),
          ("1", "MEDIUM"),
          ("2", "HIGH"),
          ("3", "CRITICAL"),
          ("4", "BLOCKER"),
      )
      level = models.CharField(max_length=10, choices=level_choices)
      comments = models.ForeignKey(Comments, null=True)
      title = models.CharField(max_length=50, null=True)
      description = models.CharField(max_length=50, null=True)
      date_created = models.DateField(auto_now_add=True) 
      date_completed = models.DateField(null=True) 
      # TODO implement these
      # time_estimate 
      # percentage_completed  
  
  
new_contents: from django.db import models
  from django.contrib.auth.models import User
  
  class Comments(models.Model):
      comment = models.CharField(max_length=500)
      user = models.ForeignKey(User)
  
  class Project(models.Model):
      user = models.ForeignKey(User)
      # issue = models.ForeignKey(Issue, null=True)
      name = models.CharField(max_length=100)
      version = models.CharField(max_length=15, null=True)
      release_date = models.DateField(null=True)
  
  class Issue(models.Model):
      project = models.ForeignKey(Project)
      status_choices = (
          ("0", "OPEN"),
          ("1", "IN PROGRESS"),
          ("2", "FINISHED"),
          ("3", "CLOSED"),
          ("4", "CANCELED"),
      )
      status = models.CharField(max_length=10, choices=status_choices)
      level_choices = (
          ("0", "LOW"),
          ("1", "MEDIUM"),
          ("2", "HIGH"),
          ("3", "CRITICAL"),
          ("4", "BLOCKER"),
      )
      level = models.CharField(max_length=10, choices=level_choices)
      comments = models.ForeignKey(Comments, null=True)
      title = models.CharField(max_length=50, null=True)
      description = models.CharField(max_length=50, null=True)
      date_created = models.DateField(auto_now_add=True) 
      date_completed = models.DateField(null=True) 
      # TODO implement these
      # time_estimate 
      # percentage_completed  
  
  
subject: Remove unused model Level.