where is the code for  DetrFeatureExtractor, DetrForObjectDetection
Author: zhangbo2008
Pull request: no

Hello my dear friend. 
i am long for the model of https://huggingface.co/facebook/detr-resnet-50
i cannot find the code of it in transformers==4.7.0.dev0  and  4.6.1  pleae help me . appreciated.




















## Environment info
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### Who can help
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## Information

Model I am using (Bert, XLNet ...):

The problem arises when using:
* [ ] the official example scripts: (give details below)
* [ ] my own modified scripts: (give details below)

The tasks I am working on is:
* [ ] an official GLUE/SQUaD task: (give the name)
* [ ] my own task or dataset: (give details below)

## To reproduce

Steps to reproduce the behavior:

1.
2.
3.

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## Expected behavior

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Comments:
Haha it's not merged yet, thanks for your interest :) will be available soon

thanks dude

Resolved by #11653 . Code can be found [here](https://github.com/huggingface/transformers/blob/master/src/transformers/models/detr/modeling_detr.py).