fix graph and white background added

python_app/gui/object_calibration_dialog.py

@@ -15,7 +15,6 @@ from PyQt6.QtWidgets import (
 )
 
 from python_app.models.dataset_model import SweepCollection
-from python_app.gui.theme import PLOT_BACKGROUND
 
 
 class ObjectCalibrationDialog(QDialog):
@@ -132,7 +131,6 @@ class ObjectCalibrationDialog(QDialog):
         self._target_combo = QComboBox(self)
         layout.addWidget(self._target_combo)
         self._phase_view = pg.GraphicsLayoutWidget(parent=self)
-        self._phase_view.setBackground(PLOT_BACKGROUND)
         self._phase_view.setMinimumHeight(270)
         self._phase_plots = []
         self._phase_images = []