As title, I feel sick, too strict format, all the following error request the import in the top, you have what good method
The import sys
The from functools import partial
The import matplotlib
matplotlib. Use (' Qt5Agg ')
The from matplotlib. Backends. Backend_qt5agg import FigureCanvasQTAgg as FigureCanvas, NavigationToolbar2QT as NavigationToolbar
The from matplotlib. Figure import figure
The import matplotlib. Pyplot as PLT
PLT. Style. Use (' dark_background)
The from PyQt5 import QtWidgets, QtCore
The import cinrad
The from ui_struct import Ui_MainWindow