Oops! Fixed the build

src/position.rs

@@ -8,6 +8,8 @@ use cached::proc_macro::cached;
 use geocoding::{Forward, Openstreetmap, Point};
 use rocket::tokio;
 
+use std::f64::consts::PI;
+
 /// A (geocoded) position.
 ///
 /// This is used for measuring and communication positions directly on the Earth as latitude and