docs: def open(self, pysession_id):
          '''
          Called when client opens connection. Initialization
          is done here.
          '''
          self.id = id(self)
          self.funcserver = self.application.funcserver
          self.pysession_id = pysession_id
  
          # register this connection with node
          self.state = self.funcserver.websocks[self.id] = {'id': self.id, 'sock': self}