def findFloatingButton(self):
        for c in self.children():
            if isinstance(c, QtGui.QAbstractButton):
                return c
        return None
Test scripts/fetch_logs.py.
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/packages/spreadsheet/spreadsheet_tab.py/StandardTabDockWidget.findFloatingButton--crossover with--dataset/ETHPy150Open viewfinderco/viewfinder/backend/www/test/fetch_logs_test.py/FetchLogsTestCase.testFetchLogsScript