System Information
Operating system: Windows-10-10.0.18362-SP0 64 Bits
Graphics card: Quadro M4000/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.70

Blender Version
Broken: version: 2.83.5, branch: master, commit date: 2020-08-19 06:07, hash: rBc2b144df395f
Worked: I don't know

Short description of error
I'm trying to make a bash script that bake a normal map from a texture but the output image as a wrong color space (as PNG).
I also tryed to export as EXR but the output image is always corrupted.

Final exported normal map (with wrong colors):

You can find more informations on the devtalk thread: Devtalk > Python API: baking normal map save wrong color space on export

Exact steps for others to reproduce the error
From Blender:

1. Extract the attached archive in an empty directory
2. Open the "normal_bake_scene.blend" file
3. Start the python script from python script editor
4. Look at "ouput_normal.png" file when the processing is done

From command line:

1. Add your correct blender executable path in the start_blender.bat file
2. Launch it
3. Look at "ouput_normal.png" file when the processing is done