Fixed some minor errors

src/application.rs

@@ -16,7 +16,7 @@ use crate::library::Library;
 use crate::queue::Queue;
 use crate::spotify::{PlayerEvent, Spotify};
 use crate::ui::create_cursive;
-use crate::{authentication, ui};
+use crate::{authentication, ui, lyrics, lyrics_fetcher};
 use crate::{command, queue, spotify};
 
 #[cfg(feature = "mpris")]
@@ -123,6 +123,15 @@ impl Application {
             library.clone(),
         ));
 
+        println!("Building lyrics manager");
+
+        let lyrics_manager = Arc::new(lyrics::LyricsManager::new(
+            queue.clone(),
+            lyrics_fetcher::default_fetcher(configuration.clone()),
+        ));
+
+        println!("Built lyrics manager");
+
         #[cfg(feature = "mpris")]
         let mpris_manager = mpris::MprisManager::new(
             event_manager.clone(),
@@ -159,7 +168,7 @@ impl Application {
 
         let queueview = ui::queue::QueueView::new(queue.clone(), library.clone());
 
-        let lyricsview = ui::lyrics::LyricsView::new(queue.clone());
+        let lyricsview = ui::lyrics::LyricsView::new(lyrics_manager.clone());
 
         #[cfg(feature = "cover")]
         let coverview = ui::cover::CoverView::new(queue.clone(), library.clone(), &configuration);

src/lyrics_fetcher.rs

@@ -51,8 +51,9 @@ impl LyricsFetcher for MusixMatchLyricsFetcher {
     }
 }
 
+/// Create a default lyrics fetcher.
 pub fn default_fetcher(cfg: Arc<Config>) -> Box<dyn LyricsFetcher> {
     Box::new(MusixMatchLyricsFetcher {
-        api_key: cfg.values().backend.clone().unwrap(),
+        api_key: cfg.values().backend.clone().unwrap_or_default(),
     })
 }