diff --git a/jedi_language_server/server.py b/jedi_language_server/server.py
index 6858ffa..508373b 100644
--- a/jedi_language_server/server.py
+++ b/jedi_language_server/server.py
@@ -420,11 +420,14 @@ def references(
     jedi_script = jedi_utils.script(server.project, document)
     jedi_lines = jedi_utils.line_column(params.position)
     names = jedi_script.get_references(*jedi_lines)
-    ignore_folders = server.initialization_options.workspace.symbols.ignore_folders
+    ignore_folders = (
+        server.initialization_options.workspace.symbols.ignore_folders
+    )
     locations = [
         location
         for location in (jedi_utils.lsp_location(name) for name in names)
-        if location is not None and not _ignore_folder(location, ignore_folders)
+        if location is not None
+        and not _ignore_folder(location, ignore_folders)
     ]
     return locations if locations else None