[root@foreman pulp]# pulpcore-manager migrate --noinput
System check identified some issues:

WARNINGS:
?: (guardian.W001) Guardian authentication backend is not hooked. You can add this in settings as eg: `AUTHENTICATION_BACKENDS = ('django.contrib.auth.backends.ModelBackend', 'guardian.backends.ObjectPermissionBackend')`.
Operations to perform:
  Apply all migrations: admin, auth, certguard, container, contenttypes, core, deb, file, guardian, pulp_2to3_migration, rpm, sessions
Running migrations:
  Applying core.0049_add_file_field_to_uploadchunk...Traceback (most recent call last):
  File "/usr/lib/python3.6/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
psycopg2.errors.NotNullViolation: column "file" contains null values


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

Traceback (most recent call last):
  File "/usr/bin/pulpcore-manager", line 11, in <module>
    load_entry_point('pulpcore==3.9.1', 'console_scripts', 'pulpcore-manager')()
  File "/usr/lib/python3.6/site-packages/pulpcore/app/manage.py", line 11, in manage
    execute_from_command_line(sys.argv)
  File "/usr/lib/python3.6/site-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
    utility.execute()
  File "/usr/lib/python3.6/site-packages/django/core/management/__init__.py", line 375, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/usr/lib/python3.6/site-packages/django/core/management/base.py", line 323, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/usr/lib/python3.6/site-packages/django/core/management/base.py", line 364, in execute
    output = self.handle(*args, **options)
  File "/usr/lib/python3.6/site-packages/django/core/management/base.py", line 83, in wrapped
    res = handle_func(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/django/core/management/commands/migrate.py", line 234, in handle
    fake_initial=fake_initial,
  File "/usr/lib/python3.6/site-packages/django/db/migrations/executor.py", line 117, in migrate
    state = self._migrate_all_forwards(state, plan, full_plan, fake=fake, fake_initial=fake_initial)
  File "/usr/lib/python3.6/site-packages/django/db/migrations/executor.py", line 147, in _migrate_all_forwards
    state = self.apply_migration(state, migration, fake=fake, fake_initial=fake_initial)
  File "/usr/lib/python3.6/site-packages/django/db/migrations/executor.py", line 245, in apply_migration
    state = migration.apply(state, schema_editor)
  File "/usr/lib/python3.6/site-packages/django/db/migrations/migration.py", line 124, in apply
    operation.database_forwards(self.app_label, schema_editor, old_state, project_state)
  File "/usr/lib/python3.6/site-packages/django/db/migrations/operations/fields.py", line 112, in database_forwards
    field,
  File "/usr/lib/python3.6/site-packages/django/db/backends/base/schema.py", line 447, in add_field
    self.execute(sql, params)
  File "/usr/lib/python3.6/site-packages/django/db/backends/base/schema.py", line 137, in execute
    cursor.execute(sql, params)
  File "/usr/lib/python3.6/site-packages/django/db/backends/utils.py", line 67, in execute
    return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
  File "/usr/lib/python3.6/site-packages/django/db/backends/utils.py", line 76, in _execute_with_wrappers
    return executor(sql, params, many, context)
  File "/usr/lib/python3.6/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
  File "/usr/lib/python3.6/site-packages/django/db/utils.py", line 89, in __exit__
    raise dj_exc_value.with_traceback(traceback) from exc_value
  File "/usr/lib/python3.6/site-packages/django/db/backends/utils.py", line 84, in _execute
    return self.cursor.execute(sql, params)
django.db.utils.IntegrityError: column "file" contains null values