Petit ajustement

Sources/dafl_project_flutter/lib/api/api.dart

@@ -267,12 +267,11 @@ class Api {
 
   removeFromPlaylist(String idTrack) async {
     var idPlaylist = await _getPlaylist();
-    if (idPlaylist == null) {
-      return;
-    }
+    if (idPlaylist != null) {
       if (await _isInPlaylist(idTrack, idPlaylist)) {
         var token = await _getAccessToken();
-      var url = Uri.https('api.spotify.com', 'v1/playlists/$idPlaylist/tracks');
+        var url =
+            Uri.https('api.spotify.com', 'v1/playlists/$idPlaylist/tracks');
         var jsonVar = jsonEncode(<String, List>{
           'tracks': [
             {'uri': 'spotify:track:$idTrack'}
@@ -286,6 +285,7 @@ class Api {
             body: jsonVar));
       }
     }
+  }
 
   Future<String> getIdUser() async {
     var url = Uri.https('api.spotify.com', 'v1/me');