Remove unnecessary newlines

tfw/components/ide/file_manager/test_file_manager.py

@@ -1,5 +1,4 @@
 # pylint: disable=redefined-outer-name
-
 from dataclasses import dataclass
 from secrets import token_urlsafe
 from os.path import join
@@ -11,6 +10,7 @@ import pytest
 
 from .file_manager import FileManager
 
+
 @dataclass
 class ManagerContext:
     folder: str