diff --git a/fiftyone/migrations/revisions/v0_6_2.py b/fiftyone/migrations/revisions/v0_6_2.py
index 927179fcbe..768c2bc937 100644
--- a/fiftyone/migrations/revisions/v0_6_2.py
+++ b/fiftyone/migrations/revisions/v0_6_2.py
@@ -34,7 +34,7 @@ def up(db, dataset_name):
         if c.startswith("frames.") and ".".join(c.split(".")[1:]) not in colls:
             db[c].drop()
 
-    colls = set(db.collection_names())
+    colls = set(db.list_collection_names())
 
     match_d = {"name": dataset_name}
     dataset_dict = db.datasets.find_one(match_d)
diff --git a/fiftyone/server/static/404.html b/fiftyone/server/static/404.html
index 8b13789179..e69de29bb2 100644
--- a/fiftyone/server/static/404.html
+++ b/fiftyone/server/static/404.html
@@ -1 +0,0 @@
-