changed API endpoint from v2 to v3.

mdrsclient/commands/file_metadata.py

@@ -3,7 +3,7 @@ import os
 from argparse import Namespace
 from typing import Any
 
-from mdrsclient.api import FileApi
+from mdrsclient.api import FilesApi
 from mdrsclient.commands.base import BaseCommand
 from mdrsclient.exceptions import IllegalArgumentException
 
@@ -34,6 +34,6 @@ class FileMetadataCommand(BaseCommand):
         file = folder.find_file(r_basename)
         if file is None:
             raise IllegalArgumentException(f"File `{r_basename}` not found.")
-        file_api = FileApi(connection)
+        file_api = FilesApi(connection)
         metadata = file_api.metadata(file)
         print(json.dumps(metadata, ensure_ascii=False))