code: async def get_capability_report(self):
          
          value = await self.core.get_capability_report()
          await asyncio.sleep(.1)
          if value:
              reply = json.dumps({"method": "capability_report_reply", "params": value})
          else:
              reply = json.dumps({"method": "capability_report_reply", "params": "None"})
          await self.websocket.send(reply)
docs: This method retrieves the Firmata capability report.
  
          Refer to http://firmata.org/wiki/Protocol#Capability_Query
  
          The command format is: {"method":"get_capability_report","params":["null"]}
  
          :returns: {"method": "capability_report_reply", "params": [RAW_CAPABILITY_REPORT]}