Ivuriro.py( one of the forms that i wish to call from menu)

from PyQt4 import uic

(Ui_Ivuriro_Identification, Ivuriro_Identification) = uic.loadUiType('Ivuriro_Identification.ui')

class Ivuriro_Identification (Ivuriro_Identification):
    """Ivuriro_Identification inherits Ivuriro_Identification"""

    def __init__ (self, parent = None):
        Ivuriro_Identification.__init__(self, parent)
        self.ui = Ui_Ivuriro_Identification()
        self.ui.setupUi(self)

    def __del__ (self):
        self.ui = None