title: How to import an object of one app into another app in the same django project?
body: <p>Codes are given below.</p>
  <p><strong>users.model.py</strong></p>
  <pre><code>from django.contrib.auth.models import AbstractBaseUser, PermissionsMixin
  from django.db import models
  from django.utils import timezone
  from django.utils.translation import gettext_lazy as _
  from django.db import models
  # from django.contrib.auth.models import User
  from PIL import Image
  
  
  from .managers import CustomUserManager
  
  from django.contrib import admin
  
  from django.contrib.auth.models import AbstractUser
  from django.utils.translation import ugettext_lazy as _
  
  
  class CustomUser(AbstractUser):
      username = None
      first_name = models.CharField('Name',max_length=200,unique=True)
      email = models.EmailField(_('email address'), unique=True)
      registration = models.IntegerField()
      USERNAME_FIELD = 'email'
      REQUIRED_FIELDS = []
  
      objects = CustomUserManager()
  
      def __str__(self):
          return self.email
  
  
  
  class Profile(models.Model):
      user = models.OneToOneField(CustomUser, on_delete=models.CASCADE)
      image = models.ImageField(default='default.jpg', upload_to='profile_pics')
  </code></pre>
  <p><strong>blog.model.py</strong></p>
  <pre><code>from django.db import models
  from django.utils import timezone
  from django.urls import reverse
  from django.conf import settings
  from multiselectfield import MultiSelectField
  
  from django import forms
  from django.core.validators import MinValueValidator, MaxValueValidator
  from PIL import Image
  
  
  
  
  DAYS_OF_WEEK = [
      (0, '  Monday'),
      (1, '  Tuesday'),
      (2, '  Wednesday'),
      (3, '  Thursday'),
      (4, '  Friday'),
      (5, '  Saturday'),
      (6, '  Sunday'),
  ]
  
  
  
  class PostManager(models.Manager):
      def like_toggle(self, user, post_obj):
          if user in post_obj.liked.all():
              is_liked = False
              post_obj.liked.remove(user)
          else:
              is_liked = True
              post_obj.liked.add(user)
          return is_liked
  
  
  
  class Post(models.Model):
      author = models.ForeignKey(
          settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
      title = models.CharField('Doctor\'s Name',max_length=100)
      content = models.CharField('Specialty',max_length=100)
      chamber = models.CharField('Chamber\'s Name',max_length=200)
      address = models.CharField('Address',max_length=100, blank=True)
      fees = models.IntegerField(default=0)
  
      days = MultiSelectField('Available Days', choices= DAYS_OF_WEEK)
  
      start_time = models.TimeField('Chamber Beginning Time')
      end_time = models.TimeField('Chamber Ending Time')
      image = models.ImageField( upload_to='profile_pics')
      review = models.TextField()
  
      rating = models.IntegerField('Behavior')
      overall_rating = models.PositiveIntegerField(validators=[
              MaxValueValidator(10),
              MinValueValidator(0)
          ])
  
  
      liked = models.ManyToManyField(
          settings.AUTH_USER_MODEL, blank=True, related_name='liked')
      date_posted = models.DateTimeField(default=timezone.now)
  
      objects = PostManager()
  
      class Meta:
          ordering = ('-date_posted', )
  
      def get_absolute_url(self):
          return reverse('post_detail', kwargs={'pk': self.pk})
  
      def save(self):
          super().save()  # saving image first
  
          img = Image.open(self.image.path) # Open image using self
  
          if (img.height &gt; 1020 or img.width &gt; 1920):
              new_img = (1020, 1920)
              img.thumbnail(new_img)
              img.save(self.image.path)  # saving image at the same path
  
  
  class Comment(models.Model):
      post = models.ForeignKey(
          Post, related_name='comments', on_delete=models.CASCADE)
      author = models.ForeignKey(
          settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
      text = models.TextField()
      created_date = models.DateTimeField(default=timezone.now)
      approved_comment = models.BooleanField(default=True)
  
      def approve(self):
          self.approved_comment = True
          self.save()
  
      def get_absolute_url(self):
          return reverse(&quot;post_list&quot;)
  
      def __str__(self):
          return self.author
  </code></pre>
  <p>I have created a project. In that project there are two apps named: user and blog. I'm saving the CustomUsers in Profile.
  I want to use the user.model.py file's first_name field value as blog.model.py file's title field.
  I'm new to django.Help me fix this issue!</p>