message: fixed engine crash
  Unreal Engine crashes whenever a QApplication gets created twice
diff: @@ -986,7 +986,12 @@ def selected_skeletal_mesh(item):
  ue.log('Ready to reimport: ' + uobject.get_name())
  uobject.asset_reimport()
  +#check if an instance of the application is already running
  +app = QApplication.instance()
  +if app is None:
  app = QApplication([])
  +else:
  + print("App already running.")
  win = QWidget()
  win.setWindowTitle('Unreal Engine 4 skeletal meshes reimporter')
  