Clippy satisfied

frontend/src/pages/utilities.rs

@@ -1,4 +1,4 @@
-use std::{collections::HashMap, fmt::format};
+use std::collections::HashMap;
 
 use chrono::{DateTime, Datelike, Utc};
 use gloo_net::http::Request;
@@ -76,7 +76,7 @@ fn day_counts(partials: &[TicketPartial]) -> [usize; 7] {
             chrono::Weekday::Sun => 6,
         };
         occ[idx] += 1;
-        current = current.succ();
+        current = current + chrono::Duration::days(1);
     }
 
     occ