我希望以pythonic方式将后台线程中的信号连接到GUI线程中的插槽。我有以下代码片段。fromPyQt4.QtCoreimport*classCompanyPresenter(QObject):fieldChangeSignal=pyqtSignal(str,str)def__init__(self,model,view):self.model=model#aCompanyModelself.view=view#aCompanyViewself.fieldChangeSignal.connect(view.setField)我收到此错误(在连接线上)TypeError:pyqtSi