Update lib/create-tree.js

Co-authored-by: James M. Greene <JamesMGreene@github.com>

lib/create-tree.js

@@ -20,7 +20,7 @@ module.exports = async function createTree (originalPath, langObj) {
 
   // Initialize the Page! This is where the file reads happen.
   const page = await Page.init({
-    basePath: basePath,
+    basePath,
     relativePath,
     languageCode: langObj.code
   })