def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def testDropoutWrapperWithKerasLSTMCell(self):
    wrapper_cls = rnn_cell_wrapper_v2.DropoutWrapper
    cell = layers.LSTMCell(10)

    with self.assertRaisesRegex(ValueError, "does not work with "):
      wrapper_cls(cell)

    cell = layers.LSTMCellV2(10)
    with self.assertRaisesRegex(ValueError, "does not work with "):
      wrapper_cls(cell)