code: def _loadViperServices(self):
          
          servicesPath = os.path.join(
              os.path.dirname(os.path.realpath(__file__)),
              "service"
          )
          for serviceFile in os.listdir(servicesPath):
              if serviceFile.startswith("__") or serviceFile.startswith("."):
                  continue
  
              serviceName = serviceFile.replace(".py", "")
              servicePath = os.path.join(
                  servicesPath, serviceFile
              )
  
              if not os.path.isfile(servicePath):
                  continue
  
              # importing service
              serviceSpec = importlib.util.spec_from_file_location(
                  serviceName,
                  servicePath
              )
              service = importlib.util.module_from_spec(serviceSpec)
              serviceSpec.loader.exec_module(service)
  
              # initializing service
              serviceInstance = service.Service(self)
              self.addService("viper", serviceName, serviceInstance)
docs: Load application bundled services.
  
          :return: <void>