code: def command_max_delay(self, event=None):
          
          try:
              max_delay = self.max_delay_var.get()
          except ValueError:
              max_delay = self.runtime_cfg.max_delay
  
          if max_delay < 0:
              max_delay = self.runtime_cfg.max_delay
  
          if max_delay > 0.1:
              max_delay = self.runtime_cfg.max_delay
  
          self.runtime_cfg.max_delay = max_delay
          self.max_delay_var.set(self.runtime_cfg.max_delay)
docs: CPU burst max running time - self.runtime_cfg.max_delay