Init a task in a module + avoid circular import?

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Alright so I tried and got stuck here:

getTimestamps: Int -> Cmd Msg

in my example the time value is in the Main Model so it would be:
getTimestamps: Model -> Cmd Msg but its the same thing…

The compiler complains because the initialCmd should be of type Cmd and not Model -> Cmd Msg in main:

main =
 Browser.element
        { init = \_ -> ( initialModel, initialCmd )