text: # GUI main interface
  
  import sys
  
  from PyQt5.QtWidgets import QApplication
  
  from myMainWindow import QmyMainWindow
  from fbs_runtime.application_context.PyQt5 import ApplicationContext
  
  
  appctxt = ApplicationContext()  # Create GUI Application
  db = appctxt.get_resource('battery_revision.db')
  form = QmyMainWindow(dbFilename=db)  # Create Window
  form.show()
  sys.exit(appctxt.app.exec_())
  