title: PyQt GUI Refresh
body: <p>i have a problem with my qt GUI.
  I want to update/refresh my GUI every secound, and if there is an element in a list, to add a new textline or a new button. Seen much posts about threading and qtimer but not really understand it for my GUI. So i want to update everything or just want to add the new one and if the call hang up it have to be deleted.just added the code without the trys of refreshing, because they dont work how they have to ^^. would help me alot if you can help me :)
  Thanks</p>
  
  <pre><code>    import sys
      from PyQt5.QtWidgets import *
      from PyQt5.QtGui import *
      from PyQt5 import *
      from PyQt5.QtCore import *
      import time
      import CTI
      import APIConnect
  
  
  
      class Fenster(QWidget):
          def __init__(self):
              super().__init__()
              self.initMe()
  
          def initMe(self):
              i = 1
              box = QVBoxLayout(self)
              self.setLayout(box)
              Rufnummer = 0
              result = APIConnect.list_users()
              anrufe = APIConnect.anrufe()
              for e in result:
                  self.User = box.addWidget(QPushButton(e[6]+"\n"+e[7]))
              box.addStretch(1)
              self.setGeometry(50, 50, 200, 750)
              self.setWindowTitle("CTI")
              self.setWindowIcon(QIcon("telefon.png"))
              self.show()
  
      app = QApplication(sys.argv)
      w = Fenster()
      sys.exit(app.exec_())
  </code></pre>