Why do I need to have an import that prepend with a __path

[dadepo]

The only way I am getting to be able to use utopia is if I have an import like this

use crate::server::routes::__path_health_check;

If I do not have this, then application does not compile

  --> src/server/mod.rs:51:14
   |
51 |     #[derive(OpenApi)]
   |              ^^^^^^^ use of undeclared crate or module `__path_health_check`
   = note: this error originates in the derive macro `OpenApi` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct
   |
1  + use crate::server::routes::__path_health_check;

It suggests I have the use crate::server::routes::__path_health_check which I did and it works with it, but how do I get things working without the need to have this strange import?

[dadepo]

Seems if the handler is defined in the same module where #[openapi(paths(...))] is used, then there is no need to have the strange import. For example I modified the raw-json-actix example and moved the

#[utoipa::path(
    request_body = Value,
    responses(
        (status = 200, description = "Patch completed"),
        (status = 406, description = "Not accepted"),
    ),
    security(
        ("api_key" = [])
    ),
)]
#[patch("/patch_raw")]
pub async fn patch_raw(body: Json<Value>) -> Result<impl Responder> {
    let value: Value = body.into_inner();
    eprintln!("body = {:?}", value);
    Ok(HttpResponse::Ok())
}

Into another module, I started getting the same error

error[E0433]: failed to resolve: use of undeclared crate or module `__path_patch_raw`
  --> src/main.rs:18:14
   |
18 |     #[derive(OpenApi)]
   |              ^^^^^^^ use of undeclared crate or module `__path_patch_raw`
   |
   = note: this error originates in the derive macro `OpenApi` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider importing this struct
   |
3  + use crate::server::__path_patch_raw;

[dadepo]

Specifying the full path to the module solved it.

    #[derive(OpenApi)]
    #[openapi(paths(crate::server::patch_raw))]
    struct ApiDoc;