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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def open(self, visible=False):
 """ Dispatches the matlab COM client. Note: If this method fails, try running matlab with the -regserver flag. """

    if self.client:
      raise MatlabConnectionError('Matlab(TM) COM client is still active. Use close to '
                      'close it')
    self.client = win32com.client.Dispatch('matlab.application')
    self.client.visible = visible