drop Deserialize from Loadable
-use serde::{Deserialize, Serialize};
+use serde::Serialize;
-#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
+#[derive(Debug, Clone, PartialEq, Serialize)]
#[serde(tag = "type", content = "content")]
pub enum Loadable<R, E> {
Loading,
