qtoolbutton pyqt5

if b.isChecked() == True:
      print b.text()+" is selected"
   else:
      print b.text()+" is deselected"
		
import sys
from PyQt4.QtCore import *
from PyQt4.QtGui import *

class Radiodemo(QWidget):

   def __init__(self, parent = None):
      super(Radiodemo, self).__init__(parent)
		
      layout = QHBoxLayout()
      self.b1 = QRadioButton("Button1")
      self.b1.setChecked(True)
      self.b1.toggled.connect(lambda:self.btnstate(self.b1))
      layout.addWidget(self.b1)
		
      self.b2 = QRadioButton("Button2")
      self.b2.toggled.connect(lambda:self.btnstate(self.b2))

      layout.addWidget(self.b2)
      self.setLayout(layout)
      self.setWindowTitle("RadioButton demo")
		
   def btnstate(self,b):
	
      if b.text() == "Button1":
         if b.isChecked() == True:
            print b.text()+" is selected"
         else:
            print b.text()+" is deselected"
				
      if b.text() == "Button2":
         if b.isChecked() == True:
            print b.text()+" is selected"
         else:
            print b.text()+" is deselected"
				
def main():

   app = QApplication(sys.argv)
   ex = Radiodemo()
   ex.show()
   sys.exit(app.exec_())
	
if __name__ == '__main__':
   main()

def __init__(self,parent=None):
        super(AdjustableTextEditWithFold,self).__init__(parent)

        self.is_fold=True
        self.fold_above_nl=2

        self.fold_button=QtWidgets.QToolButton()
        self.fold_button.setArrowType(Qt.DownArrow)
        font_height=self.fontMetrics().height()
        self.fold_button.setFixedWidth(int(font_height))
        self.fold_button.setFixedHeight(int(font_height))
        self.fold_button.clicked.connect(self.toggleFold)
        self.fold_button.setStyleSheet('''
        QToolButton {
            border: 1px solid rgb(190,190,190);
            background-color: rgb(190,190,190);
            border-radius: %dpx;
            color: white;
            }

        QToolButton:pressed {
            border-style: inset;
            }
        ''' %(int(font_height/2))
        )