Bjørn Vetle Ledaal

### Expected behavior mmexternal has a configuration option to restart an external module with a timeout. Rsyslog sends the message to the external module, from this point it counts up...

### Bug summary When a `bytes` object is passed as the attachment argument to `add_attachment()` it raises an AttributeError. This was not the case before #1366 (first seen in v3.3.0)....

[BUG] Importing types in `TYPE_CHECKING` causes `NameError`

2

### Description Whenever I use `.from_dict()` (or `.from_json()`) it errors out with a `NameError`, saying that the types haven't been defined, even though it is defined within the `TYPE_CHECKING` block....