def _previewFile(self):
        dataFrame = self._loadCSVDataFrame()
        dataFrameModel = DataFrameModel(dataFrame)
        dataFrameModel.enableEditing(True)
        self._previewTableView.setModel(dataFrameModel)
        columnModel = dataFrameModel.columnDtypeModel()
        columnModel.changeFailed.connect(self.updateStatusBar)
        self._datatypeTableView.setModel(columnModel)
Lookup all queues matching `routing_key` in `exchange`.
dataset/ETHPy150Open datalyze-solutions/pandas-qt/pandasqt/views/CSVDialogs.py/CSVImportDialog._previewFile--crossover with--dataset/ETHPy150Open celery/kombu/kombu/transport/virtual/exchange.py/ExchangeType.lookup