def mergeTablets(self, login, tableName, startRow, endRow):
    """
    Parameters:
     - login
     - tableName
     - startRow
     - endRow
    """
    self.send_mergeTablets(login, tableName, startRow, endRow)
    self.recv_mergeTablets()
Parameters:
     - login
     - tableName
     - startRow
     - endRow