def changeModuleLabel(self):
        if self.moduleId>=0:
            self.scene().open_module_label_window(self.moduleId)
Fetches information on the requested diff.
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/pipeline_view.py/QGraphicsConfigureItem.changeModuleLabel--crossover with--dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/diffviewer/views.py/DiffFragmentView._get_requested_diff_file