" Can't pickle local object 'withLogAndControls.<locals>.Processor'"

try example
```

from time import sleep

def fn(x):
    while True:
        print(x.value)
        x.value = x.value**1.01
        sleep(0.1)

from multiprocessing import Value
x = Value('f',2)
task = ProcessWithLogAndControls(target=fn, args=(x,), name="exponential growth")
```

and got error