text: from PyQt5 import QtCore, QtGui, QtWidgets
  
  from stock_analysis_controller import StockAnalysisController
  
  
  if __name__ == '__main__':
      import sys
      app = QtWidgets.QApplication(sys.argv)
  
      controller = StockAnalysisController()
      
      sys.exit(app.exec_())
  
  
      
  