old_contents: # -*- coding: utf-8 -*-
  from django.conf import settings
  from django.db import models, connection
  from django.contrib.auth.models import User  
  
  EMPLOYERS = (
      ('OHNO','FILL IN THIS')   
  )
  
  class BasePersonalInformation(models.Model):
      
      GENDER = (
       ('male','Male'),('female','Female')   
      )
      
      first = models.CharField(
          "First name",
          max_length=20
      )
      middle = models.CharField(
          "Middle name",
          max_length=20
      )
      last = models.CharField(
          "Last name",
          max_length=20
      )
      email = models.EmailField(
          "Email address" 
      )
      birth = models.DateField(
          "Birthdate",
          auto_now=False
      )
      phone = models.CharField(
          "Phone number",
          max_length=16
      )
      gender = models.CharField(
          "Gender",
          max_length=8,
          choices=GENDER
      )
      
  
  class BaseLocationInformation(models.Model):
      
      name = models.CharField(
          "Name",
          max_length=25
      )
      street = models.CharField(
          "Street",
          max_length=35
      )
      city = models.CharField(
          "City",
          max_length=30
      )
      state = models.CharField(
          "State",
          max_length=20
      )
      zip_code = models.CharField(
          "ZIP code",
          max_length=11
      )
  
  
  class BaseEmployerInformation(BaseLocationInformation):
      
      employer = models.CharField(
          "Employers",
          max_length=30,
          choices=EMPLOYERS
      )
  
new_contents: # -*- coding: utf-8 -*-
  from django.conf import settings
  from django.db import models, connection
  from django.contrib.auth.models import User  
  
  EMPLOYERS = (
      ('OHNO','FILL IN THIS')   
  )
  
  class BasePersonalInformation(models.Model):
      
      GENDER = (
       ('male','Male'),('female','Female')   
      )
      
      first = models.CharField(
          "First name",
          max_length=20
      )
      middle = models.CharField(
          "Middle name",
          max_length=20
      )
      last = models.CharField(
          "Last name",
          max_length=20
      )
      email = models.EmailField(
          "Email address" 
      )
      birth = models.DateField(
          "Birthdate",
          auto_now=False
      )
      phone = models.CharField(
          "Phone number",
          max_length=16
      )
      gender = models.CharField(
          "Gender",
          max_length=8,
          choices=GENDER
      )
      
  
  class BaseLocationInformation(models.Model):
      
      name = models.CharField(
          "Name",
          max_length=25
      )
      street = models.CharField(
          "Street",
          max_length=35
      )
      city = models.CharField(
          "City",
          max_length=30
      )
      state = models.CharField(
          "State",
          max_length=20
      )
      zip_code = models.CharField(
          "ZIP code",
          max_length=11
      )
  
  
  class HigherEducationInformation(BaseLocationInformation):
      
      pass
  
  
  class BaseEmployerInformation(BaseLocationInformation):
      
      employer = models.CharField(
          "Employers",
          max_length=30,
          choices=EMPLOYERS
      )
  
subject: Update base_models.py