View Source Reactor.Process.Errors.MissingMiddlewareError exception (reactor_process v0.4.0)
This exception is returned when a step wishes to access the owning PID but the
Reactor.Process.Middleware middleware has not been added to the reactor.
This exception is returned when a step wishes to access the owning PID but the
Reactor.Process.Middleware middleware has not been added to the reactor.