django1/django/db/migrations/operations/__init__.py

from .fields import AddField, AlterField, RemoveField, RenameField
from .models import (
    AddIndex, AlterIndexTogether, AlterModelManagers, AlterModelOptions,
    AlterModelTable, AlterOrderWithRespectTo, AlterUniqueTogether, CreateModel,
    DeleteModel, RemoveIndex, RenameModel,
)
from .special import RunPython, RunSQL, SeparateDatabaseAndState

__all__ = [
    'CreateModel', 'DeleteModel', 'AlterModelTable', 'AlterUniqueTogether',
    'RenameModel', 'AlterIndexTogether', 'AlterModelOptions', 'AddIndex',
    'RemoveIndex', 'AddField', 'RemoveField', 'AlterField', 'RenameField',
    'SeparateDatabaseAndState', 'RunSQL', 'RunPython',
    'AlterOrderWithRespectTo', 'AlterModelManagers',
]