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

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

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