gistfile1.txt

$ python manage.py loaddata db.json
Traceback (most recent call last):
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/db/models/options.py", line 608, in get_field
    return self.fields_map[field_name]
KeyError: 'location'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/serializers/json.py", line 70, in Deserializer
    yield from PythonDeserializer(objects, **options)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/serializers/python.py", line 119, in Deserializer
    field = Model._meta.get_field(field_name)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/db/models/options.py", line 610, in get_field
    raise FieldDoesNotExist("%s has no field named '%s'" % (self.object_name, field_name))
django.core.exceptions.FieldDoesNotExist: Post has no field named 'location'

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/pimiento/yap/redkina-django-sprint3/blogicum/manage.py", line 22, in <module>
    main()
  File "/home/pimiento/yap/redkina-django-sprint3/blogicum/manage.py", line 18, in main
    execute_from_command_line(sys.argv)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/management/__init__.py", line 419, in execute_from_command_line
    utility.execute()
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/management/__init__.py", line 413, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/management/base.py", line 354, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/management/base.py", line 398, in execute
    output = self.handle(*args, **options)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/management/commands/loaddata.py", line 78, in handle
    self.loaddata(fixture_labels)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/management/commands/loaddata.py", line 123, in loaddata
    self.load_label(fixture_label)
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/management/commands/loaddata.py", line 181, in load_label
    for obj in objects:
  File "/home/pimiento/yap/redkina-django-sprint3/venv/lib/python3.10/site-packages/django/core/serializers/json.py", line 74, in Deserializer
    raise DeserializationError() from exc
$ cat blog/models.py
django.core.serializers.base.DeserializationError: Problem installing fixture '/home/pimiento/yap/redkina-django-sprint3/blogicum/db.json': 
from django.db import models
from django.contrib.auth import get_user_model

User = get_user_model()


class BaseModel(models.Model):
    created_at = models.DateTimeField(auto_now_add=True,
                                      verbose_name='Создано')
    is_published = models.BooleanField(default=True,
                                       verbose_name='Опубликовано')

    class Meta:
        abstract = True


class Category(BaseModel):
    title = models.CharField(max_length=256, verbose_name='Название')
    slug = models.SlugField(unique=True, verbose_name='Слаг')
    description = models.TextField(verbose_name='Описание')


class Location(BaseModel):
    name = models.CharField(max_length=256, verbose_name='Имя')


class Post(BaseModel):
    title = models.CharField(max_length=256, verbose_name='Название')
    text = models.TextField(verbose_name='Текст')
    pub_date = models.DateTimeField(verbose_name='Дата, время публикации')
    author = models.ForeignKey(
        User,
        on_delete=models.CASCADE,
        verbose_name='Автор'
    )
    category = models.ForeignKey(
        Category,
        on_delete=models.SET_NULL,
        null=True,
        verbose_name='Тематическая категория',
        blank=False
    )
    category = models.ForeignKey(
        Category,
        on_delete=models.SET_NULL,
        null=True,
        verbose_name='Тематическая категория',
        blank=False
    )