diff --git a/packages/filebrowser/src/opendialog.ts b/packages/filebrowser/src/opendialog.ts
index 40844e85c589..ab1a3112701c 100644
--- a/packages/filebrowser/src/opendialog.ts
+++ b/packages/filebrowser/src/opendialog.ts
@@ -11,7 +11,7 @@ import { Contents } from '@jupyterlab/services';
 
 import { FileBrowser } from './browser';
 import { FileBrowserModel } from './model';
-import { IFileBrowserFactory } from './factory';
+import { IFileBrowserFactory } from './tokens';
 
 /**
  * The class name added to open file dialog
diff --git a/packages/filebrowser/src/tokens.ts b/packages/filebrowser/src/tokens.ts
index e8a0a2bab34f..b120551bce8d 100644
--- a/packages/filebrowser/src/tokens.ts
+++ b/packages/filebrowser/src/tokens.ts
@@ -1,3 +1,4 @@
+
 // Copyright (c) Jupyter Development Team.
 // Distributed under the terms of the Modified BSD License.