add

start.py

+
+import sys
+from PyQt5.QtCore import *;
+from PyQt5.QtGui import *;
+from PyQt5.QtWidgets import *;
+
+from main_window import MainWindow
+
+
+if __name__ == '__main__':
+    app = QApplication(sys.argv)
+    app.setWindowIcon(QIcon("./images/eagle_2.ico"))
+    mainWindow = MainWindow()
+    mainWindow.show()
+    sys.exit(app.exec_())
\ No newline at end of file