fix import and init var

system/manager/build.py

@@ -7,7 +7,7 @@ from pathlib import Path
 from openpilot.common.basedir import BASEDIR
 from openpilot.system.hardware import HARDWARE, AGNOS
 from openpilot.system.ui.spinner import Spinner
-from openpilot.system.ui.text_window import TextWindow
+from openpilot.system.ui.text import TextWindow
 from openpilot.common.swaglog import cloudlog, add_file_handler
 from openpilot.system.version import get_build_metadata
 

system/ui/lib/wrapper.py

@@ -4,7 +4,7 @@ from typing import Any
 from openpilot.system.ui.lib.application import gui_app
 
 class Wrapper:
-  _renderer: Any
+  _renderer: Any = None
 
   def __init__(self, title: str, renderer_cls, *renderer_args):
     self._title = title