diff --git a/validata_ui/views.py b/validata_ui/views.py
index 245ae6ba36337cb771869b6ceed1d786696db227..3f17c428f8b05f5be036c74fab92c224c9ca89a5 100644
--- a/validata_ui/views.py
+++ b/validata_ui/views.py
@@ -16,13 +16,13 @@ from urllib.parse import urlencode, urljoin
 import jsonschema
 import requests
 import tableschema
-import tabulator
 from backports.datetime_fromisoformat import MonkeyPatch
 from commonmark import commonmark
 from flask import abort, make_response, redirect, render_template, request, url_for
-from validata_core import messages
 
+import tabulator
 from opendataschema import GitSchemaReference, by_commit_date
+from validata_core import messages
 
 from . import app, config, schema_catalog_registry, tableschema_from_url
 from .ui_util import flash_error, flash_warning