fix(listing): pick actually the smallest one to update

src/datachain/lib/dc.py

@@ -430,7 +430,7 @@ def parse_uri(
         if listings:
             if update:
                 # choosing the smallest possible one to minimize update time
-                listing = sorted(listings, key=lambda ls: len(ls.name))[0]
+                listing = sorted(listings, key=lambda ls: len(ls.name), reverse=True)[0]
             else:
                 # no need to update, choosing the most recent one
                 listing = sorted(listings, key=lambda ls: ls.created_at)[-1]
@@ -2388,6 +2388,7 @@ def export_files(
         signal="file",
         placement: FileExportPlacement = "fullpath",
         use_cache: bool = True,
+        anon: bool = False,
     ) -> None:
         """Method that exports all files from chain to some folder."""
         if placement == "filename" and (