import sys
import string
import sip

from PyQt4.QtGui import QApplication
from PyQt4.QtGui import QMdiArea
from PyQt4.QtGui import QScrollArea
from PyQt4.QtGui import QWidget
from PyQt4.QtGui import QMainWindow

app = QApplication(sys.argv)

window = QMainWindow()

area = QMdiArea()
area.setWindowTitle('Ticket #164757')
area.show()

window.setCentralWidget(area)
window.show()

widget_1 = QWidget()
widget_1.resize(1000, 1000)
scroll_area_1 = QScrollArea()
scroll_area_1.setWidget(widget_1)
sub_window_1 = area.addSubWindow(scroll_area_1)
sub_window_1.show()

widget_2 = QWidget()
widget_2.resize(1000, 1000)
scroll_area_2 = QScrollArea()
scroll_area_2.setWidget(widget_2)
sub_window_2 = area.addSubWindow(scroll_area_2)
sub_window_2.show()

sys.exit(app.exec_())