--- a/piecrust/admin/views/preview.py	Mon Dec 19 22:31:30 2016 -0800
+++ b/piecrust/admin/views/preview.py	Tue Dec 20 22:20:18 2016 -0800
@@ -1,7 +1,5 @@
-import os.path
 from flask import current_app, g, make_response
 from flask.ext.login import login_required
-from piecrust import CACHE_DIR
 from piecrust.app import PieCrustFactory
 from piecrust.serving.server import Server
 from ..blueprint import foodtruck_bp
@@ -18,9 +16,9 @@
 def preview_site(sitename, url):
     root_dir = g.sites.get_root_dir(sitename)
     appfactory = PieCrustFactory(
-            root_dir,
-            cache_key='foodtruck',
-            debug=current_app.debug)
+        root_dir,
+        cache_key='foodtruck',
+        debug=current_app.debug)
     server = Server(appfactory,
                     root_url='/site/%s/' % sitename)
     return make_response(server._run_request)