diff --git a/src/core/musichoard/builder.rs b/src/core/musichoard/builder.rs
index fd285d3..46c9f4c 100644
--- a/src/core/musichoard/builder.rs
+++ b/src/core/musichoard/builder.rs
@@ -141,10 +141,13 @@ impl<Database: IDatabase, Library: ILibrary> MusicHoard<Database, Library> {
 
 #[cfg(test)]
 mod tests {
-    use crate::{core::{
-        interface::{database::NullDatabase, library::NullLibrary},
-        musichoard::library::IMusicHoardLibrary,
-    }, IMusicHoardDatabase};
+    use crate::{
+        core::{
+            interface::{database::NullDatabase, library::NullLibrary},
+            musichoard::library::IMusicHoardLibrary,
+        },
+        IMusicHoardDatabase,
+    };
 
     use super::*;