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# ask-for-helps
Slackbot
11/28/2022, 2:54 PMThis message was deleted.
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Florian Dittrich
11/28/2022, 2:58 PMIf I remove the import for JsonSerializable, the error won't occur, but of course it still won't serve because then JsonInput won't be defined. Any idea what I'm doing wrong here?
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FIRAT TAMUR
11/28/2022, 2:58 PMHello, I think the docs you are looking is old.
FIRAT TAMUR
11/28/2022, 2:59 PMFIRAT TAMUR
11/28/2022, 2:59 PMI think you may follow here.
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Florian Dittrich
11/28/2022, 2:59 PMThank you! I'll check it out
Florian Dittrich
11/28/2022, 3:08 PM@FIRAT TAMUR according to that doc there should be a Json IO Descriptor available for import from bentoml.io, but it still fails when trying to import it
Florian Dittrich
11/28/2022, 3:09 PMcannot import name 'Json' from '<http://bentoml.io|bentoml.io>'f
FIRAT TAMUR
11/28/2022, 3:09 PMCould you please try JSON?
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Florian Dittrich
11/28/2022, 3:09 PMon it
Florian Dittrich
11/28/2022, 3:10 PMAh okay, that does the trick
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Florian Dittrich
11/28/2022, 3:10 PMCan I treat that like the standard json datatype in python and convert it to a numpy array so I can preprocess the data?
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FIRAT TAMUR
11/28/2022, 3:11 PMFor that case I think there is another data type
FIRAT TAMUR
11/28/2022, 3:11 PMf
Florian Dittrich
11/28/2022, 3:12 PMYeah, but I need to receive the data in Json format, but still perform preprocessing on it
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FIRAT TAMUR
11/28/2022, 3:12 PMdo you have an example?
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Florian Dittrich
11/28/2022, 3:14 PMthe request will certainly be sent in Json format. Since I'm not very experienced with Json but still need to scale the values received to fit into the range the model was trained on i'd like to convert the input to numpy, scale the values and then pass it to the model runner
Florian Dittrich
11/28/2022, 3:17 PMDo you think it might be easier scaling the inputs before sending the request?
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FIRAT TAMUR
11/28/2022, 3:20 PMNo, I think the backend should hold the logic instead of the front end, so the processing should happen after the request is received.
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Florian Dittrich
11/28/2022, 3:21 PMYeah I'd think so too. Any idea how I'd convert it from the input type to a numpy array?
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FIRAT TAMUR
11/28/2022, 3:28 PMMaybe something like this? I am not sure I hope it helps
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Florian Dittrich
11/28/2022, 3:29 PMthat looks very promising!