style: import ordering + blank lines after now_unix sweep (treefmt)

hive-c0re/src/loose_ends.rs

@@ -13,7 +13,6 @@
 //! the dashboard uses, so the bottleneck would be json
 //! (de)serialisation, not the read.
 
-
 use anyhow::Result;
 use hive_sh4re::LooseEnd;
 
@@ -143,7 +142,6 @@ fn saturating_age(now: i64, then: i64) -> u64 {
     u64::try_from(delta).unwrap_or(0)
 }
 
-
 #[cfg(test)]
 mod tests {
     use super::*;