ImportError: cannot import name 'alphamat'

[Azukiro]

System information (version)

• OpenCV => 4.4.0.46
• Operating System / Platform => Windows 64 Bit
• Compiler => Python

Detailed description

I have install opencv-contrib use pip install opencv-contrib-python in cmd, but when use it for alphamat.inflow it will get error ImportError: cannot import name alphamat.
And i don't find how use alphamat with python, can someone help me ?

Steps to reproduce

Issue submission checklist

• I report the issue, it's not a question
• I checked the problem with documentation, FAQ, open issues,
  answers.opencv.org, Stack Overflow, etc and have not found solution
• I updated to latest OpenCV version and the issue is still there
• There is reproducer code and related data files: videos, images, onnx, etc

[berak]

weird error message
but in the end, - there are no python bindings for the alphamat module yet

(i think, we can close this)

[alalek]

Resolved by #2729