## providers.mongodb.migrations.Reversible

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Mixin class to mark a migration class as reversible.


Usage

``` python
providers.mongodb.migrations.Reversible()
```


## Methods

| Name | Description |
|----|----|
| [unapply()](#unapply) | Reverse changes made by [apply()](providers.mongodb.migrations.MigrationDefinition.md#hexkit.providers.mongodb.migrations.MigrationDefinition.apply). |

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#### unapply()


Reverse changes made by [apply()](providers.mongodb.migrations.MigrationDefinition.md#hexkit.providers.mongodb.migrations.MigrationDefinition.apply).


Usage

``` python
unapply()
```