[issue21429] Input.output error with multiprocessing

[Florijan Hamzic]

Florijan Hamzic added the comment:

Hi,

i have a similiar issue:

i have a really simple scenario

Callee:
```
@classmethod
def MoveDataToOtherSide(cls, model)
data = {
            "FirstName": model.FirstName,
            "LastName": model.LastName,
            "Email": model.Email,
            "Pass": model.Password,
            "Images": cls.LoadUserImages(model.ID)
        }

        p = Process(target=UserService.MoveProfileToOtherSide, kwargs={"data": data})
        p.start()
```

Processeee
```
@staticmethod
    def MoveProfileToOtherSide(data): requests.get("https://mySecretUrl.de", params={"token": "secBlub", "data": encode(data, unpicklable=False)})
```

I think it has something todo with stdout but i have no clue how i could debug this further, unfortunetely. 

The Application around this functionality (UserService) is cherrypy.

----------
nosy: +Florijan Hamzic

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue21429>
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