Fix types in beets/util/__init__.py

beets/library.py

@@ -1042,12 +1042,12 @@ def move(
 
     def destination(
         self,
-        fragment=False,
+        relative_to_libdir=False,
         basedir=None,
         platform=None,
         path_formats=None,
         replacements=None,
-    ):
+    ) -> bytes:
         """Return the path in the library directory designated for the
         item (i.e., where the file ought to be).
 
@@ -1104,12 +1104,11 @@ def destination(
             # When zero, try to determine from filesystem.
             maxlen = util.max_filename_length(self._db.directory)
 
-        subpath, fellback = util.legalize_path(
+        lib_path_str, fellback = util.legalize_path(
             subpath,
             replacements,
             maxlen,
             os.path.splitext(self.path)[1],
-            fragment,
         )
         if fellback:
             # Print an error message if legalization fell back to
@@ -1120,11 +1119,12 @@ def destination(
                 "the filename.",
                 subpath,
             )
+        lib_path_bytes = lib_path_str.encode()
 
-        if fragment:
-            return util.as_string(subpath)
-        else:
-            return normpath(os.path.join(basedir, subpath))
+        if relative_to_libdir:
+            return lib_path_bytes
+
+        return normpath(os.path.join(basedir, lib_path_bytes))
 
 
 class Album(LibModel):