why this hell error?

[shahidkarimi]

ERROR: Could not find a version that satisfies the requirement bitsandbytes==0.43.1 (from versions: 0.31.8, 0.32.0, 0.32.1, 0.32.2, 0.32.3, 0.33.0, 0.33.1, 0.34.0, 0.35.0, 0.35.1, 0.35.2, 0.35.3, 0.35.4, 0.36.0, 0.36.0.post1, 0.36.0.post2, 0.37.0, 0.37.1, 0.37.2, 0.38.0, 0.38.0.post1, 0.38.0.post2, 0.38.1, 0.39.0, 0.39.1, 0.40.0, 0.40.0.post1, 0.40.0.post2, 0.40.0.post3, 0.40.0.post4, 0.40.1, 0.40.1.post1, 0.40.2, 0.41.0, 0.41.1, 0.41.2, 0.41.2.post1, 0.41.2.post2, 0.41.3, 0.41.3.post1, 0.41.3.post2, 0.42.0)
ERROR: No matching distribution found for bitsandbytes==0.43.1

[acetopwon]

Yeah for some reason I had the same issue, so I had to do a manual download via github.
Go into requirements.txt and replace the bitsandbytes=0.43.1 line with the following line
git+https://github.com/TimDettmers/bitsandbytes.git
and run pip install requirements.txt again and it should work.
However I got stuck on the decoder module. so lmk if you get past it by chance.