code: async def reset_all(self, full=True):
          
          conn = await self.redis()
  
          if full:
              await conn.execute('FLUSHDB')
          else:
              keys = await conn.execute('KEYS', 'fsm:*')
              await conn.execute('DEL', *keys)
docs: Reset states in DB
  
          :param full: clean DB or clean only states
          :return: