python manage.py migrate. Where is the mistake?

Question

Django

(studentsdb)[email protected]:~/data/work/virtualenvs/studentsdb/src/studentsdb$ python manage.py makemigrations students
Migrations for 'students':
  0001_initial.py:
    - Create model Student
(studentsdb)[email protected]:~/data/work/virtualenvs/studentsdb/src/studentsdb$ python manage.py migrate
Operations to perform:
  Apply all migrations: admin, students, contenttypes, auth, sessions
Running migrations:
  No migrations to apply.
Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
    utility.execute()
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 377, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/core/management/base.py", line 288, in run_from_argv
    self.execute(*args, **options.__dict__)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/core/management/base.py", line 338, in execute
    output = self.handle(*args, **options)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/core/management/commands/migrate.py", line 164, in handle
    emit_post_migrate_signal(created_models, self.verbosity, self.interactive, connection.alias)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/core/management/sql.py", line 268, in emit_post_migrate_signal
    using=db)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/dispatch/dispatcher.py", line 198, in send
    response = receiver(signal=self, sender=sender, **named)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/contrib/auth/management/__init__.py", line 83, in create_permissions
    ctype = ContentType.objects.db_manager(using).get_for_model(klass)
  File "/home/leits/data/work/virtualenvs/studentsdb/local/lib/python2.7/site-packages/django/contrib/contenttypes/models.py", line 58, in get_for_model
    " is migrated before trying to migrate apps individually."
RuntimeError: Error creating new content types. Please make sure contenttypes is migrated before trying to migrate apps individually.

Answer 1

I decided. Deleted and recreated db.sqlite3.

Answer 2

You have not created migrations for other applications. Remove from
python manage.py makemigrations studentsstudents.

Answer 3

So-so book with him. + Contact them in the "get-together bought a book" there they will help.

Answer 4

Error creating new content types. Please make sure contenttypes is migrated before trying to migrate apps individually.

try like this

python manage.py migrate contenttypes
python manage.py makemigrations
python manage.py migrate