diff --git a/operators/spreadsheet.py b/operators/spreadsheet.py
index cbe316a..97a3ef1 100644
--- a/operators/spreadsheet.py
+++ b/operators/spreadsheet.py
@@ -8,13 +8,13 @@ from pathlib import Path
 
 import bpy
 from bpy.types import (Operator, Menu, OperatorFileListElement)
-from bpy.props import (EnumProperty, )
+from bpy.props import (EnumProperty, StringProperty, CollectionProperty)
 from bl_operators.presets import AddPresetBase
 
 
 from vse_toolbox.sequencer_utils import (get_strips, get_strip_sequence_name)
 from vse_toolbox.bl_utils import (get_addon_prefs, get_scene_settings)
-from vse_toolbox.file_utils import open_file
+from vse_toolbox.file_utils import open_file, install_module
 
 
 class VSETB_MT_spreadsheet_presets(Menu):