code: def tabLayout(self):
          ''' For all tabs, specify the number of buttons in a row '''
          self.childWindow.column += 1
          if self.childWindow.column > Layout.BUTTONS_NUMBER:
              self.childWindow.column = 0
              self.childWindow.row += f tabLayout(self):
          ''' For all tabs, specify the number of buttons in a row '''
          self.childWindow.column += 1
          if self.childWindow.column > Layout.BUTTONS_NUMBER:
              self.childWindow.column = 0
              self.childWindow.row += 1
docs: For all tabs, specify the number of buttons in a row