How to use the inql.widgets.propertyeditor.PropertyEditor.last_location function in inql

if not actions: actions = []
        if not columns: columns = []
        if data == None: data = []
        if not empty: empty = []
        try:
            PropertyEditor.instances[text]
        except KeyError:
            PropertyEditor.instances[text] = \
                PropertyEditor().__private_init__(text, columns, data, empty, add_actions, actions)
            try:
                PropertyEditor.instances[text].this.setLocation(PropertyEditor.locations[text])
            except KeyError:
                if PropertyEditor.last_location:
                    PropertyEditor.instances[text].this.setLocation(
                        PropertyEditor.last_location.x+PropertyEditor.offset,
                        PropertyEditor.last_location.y+PropertyEditor.offset)
                    PropertyEditor.offset = PropertyEditor.NEW_WINDOW_OFFSET
            try:
                PropertyEditor.instances[text].this.setSize(PropertyEditor.sizes[text])
            except KeyError:
                if PropertyEditor.last_size:
                    PropertyEditor.instances[text].this.setSize(PropertyEditor.last_size)
            PropertyEditor.last_location = PropertyEditor.instances[text].this.getLocation()
            PropertyEditor.last_size = PropertyEditor.instances[text].this.getSize()
        ## Hack ON: Bring on Front
        PropertyEditor.instances[text].this.setAlwaysOnTop(True)
        PropertyEditor.instances[text].this.setAlwaysOnTop(False)
        ## Hack OFF
        return PropertyEditor.instances[text]

PropertyEditor.instances[text] = \
                PropertyEditor().__private_init__(text, columns, data, empty, add_actions, actions)
            try:
                PropertyEditor.instances[text].this.setLocation(PropertyEditor.locations[text])
            except KeyError:
                if PropertyEditor.last_location:
                    PropertyEditor.instances[text].this.setLocation(
                        PropertyEditor.last_location.x+PropertyEditor.offset,
                        PropertyEditor.last_location.y+PropertyEditor.offset)
                    PropertyEditor.offset = PropertyEditor.NEW_WINDOW_OFFSET
            try:
                PropertyEditor.instances[text].this.setSize(PropertyEditor.sizes[text])
            except KeyError:
                if PropertyEditor.last_size:
                    PropertyEditor.instances[text].this.setSize(PropertyEditor.last_size)
            PropertyEditor.last_location = PropertyEditor.instances[text].this.getLocation()
            PropertyEditor.last_size = PropertyEditor.instances[text].this.getSize()
        ## Hack ON: Bring on Front
        PropertyEditor.instances[text].this.setAlwaysOnTop(True)
        PropertyEditor.instances[text].this.setAlwaysOnTop(False)
        ## Hack OFF
        return PropertyEditor.instances[text]

:param actions: default set of actions to be appended to Add and Delete Rows
        :return: a new instance of PropertyEditor or a reused one.
        """
        if not actions: actions = []
        if not columns: columns = []
        if data == None: data = []
        if not empty: empty = []
        try:
            PropertyEditor.instances[text]
        except KeyError:
            PropertyEditor.instances[text] = \
                PropertyEditor().__private_init__(text, columns, data, empty, add_actions, actions)
            try:
                PropertyEditor.instances[text].this.setLocation(PropertyEditor.locations[text])
            except KeyError:
                if PropertyEditor.last_location:
                    PropertyEditor.instances[text].this.setLocation(
                        PropertyEditor.last_location.x+PropertyEditor.offset,
                        PropertyEditor.last_location.y+PropertyEditor.offset)
                    PropertyEditor.offset = PropertyEditor.NEW_WINDOW_OFFSET
            try:
                PropertyEditor.instances[text].this.setSize(PropertyEditor.sizes[text])
            except KeyError:
                if PropertyEditor.last_size:
                    PropertyEditor.instances[text].this.setSize(PropertyEditor.last_size)
            PropertyEditor.last_location = PropertyEditor.instances[text].this.getLocation()
            PropertyEditor.last_size = PropertyEditor.instances[text].this.getSize()
        ## Hack ON: Bring on Front
        PropertyEditor.instances[text].this.setAlwaysOnTop(True)
        PropertyEditor.instances[text].this.setAlwaysOnTop(False)
        ## Hack OFF
        return PropertyEditor.instances[text]

"""
        if not actions: actions = []
        if not columns: columns = []
        if data == None: data = []
        if not empty: empty = []
        try:
            PropertyEditor.instances[text]
        except KeyError:
            PropertyEditor.instances[text] = \
                PropertyEditor().__private_init__(text, columns, data, empty, add_actions, actions)
            try:
                PropertyEditor.instances[text].this.setLocation(PropertyEditor.locations[text])
            except KeyError:
                if PropertyEditor.last_location:
                    PropertyEditor.instances[text].this.setLocation(
                        PropertyEditor.last_location.x+PropertyEditor.offset,
                        PropertyEditor.last_location.y+PropertyEditor.offset)
                    PropertyEditor.offset = PropertyEditor.NEW_WINDOW_OFFSET
            try:
                PropertyEditor.instances[text].this.setSize(PropertyEditor.sizes[text])
            except KeyError:
                if PropertyEditor.last_size:
                    PropertyEditor.instances[text].this.setSize(PropertyEditor.last_size)
            PropertyEditor.last_location = PropertyEditor.instances[text].this.getLocation()
            PropertyEditor.last_size = PropertyEditor.instances[text].this.getSize()
        ## Hack ON: Bring on Front
        PropertyEditor.instances[text].this.setAlwaysOnTop(True)
        PropertyEditor.instances[text].this.setAlwaysOnTop(False)
        ## Hack OFF
        return PropertyEditor.instances[text]