我收到以下错误消息:
tableItem.textEdited.connect(change()) TypeError:参数1具有意外的类型'NoneType'
输入我的代码
from PyQt5.QtWidgets import QApplication,QTableWidget,QLineEdit,QComboBox
import sys
def change():
pass
app = QApplication([])
table = QTableWidget(2,2)
tableItem = QLineEdit()
tableItem.setText('Testing')
table.setCellWidget(0, 0, tableItem )
tableItem.textEdited.connect(change())
table.show()
sys.exit(app.exec_())
我无法弄清楚代码中的错误,请帮助