ERROR: Could not find a version that satisfies the requirement opencv-python==4.5.1

[jryebread]

Hello, trying to pip install requirements but getting this error:

!cd omnimatte && ls && pip3 install -r requirements.txt

Collecting torch==1.8.0
  Using cached torch-1.8.0-cp37-cp37m-manylinux1_x86_64.whl (735.5 MB)
Requirement already satisfied: torchvision in /usr/local/lib/python3.7/dist-packages (from -r requirements.txt (line 2)) (0.10.0+cu111)
Collecting dominate>=2.4.0
  Using cached dominate-2.6.0-py2.py3-none-any.whl (29 kB)
Collecting visdom>=0.1.8
  Using cached visdom-0.1.8.9.tar.gz (676 kB)
Requirement already satisfied: matplotlib>=3.2.1 in /usr/local/lib/python3.7/dist-packages (from -r requirements.txt (line 5)) (3.2.2)
ERROR: Could not find a version that satisfies the requirement opencv-python==4.5.1 (from versions: 3.4.2.17, 3.4.3.18, 3.4.4.19, 3.4.5.20, 3.4.6.27, 3.4.7.28, 3.4.8.29, 3.4.9.31, 3.4.9.33, 3.4.10.35, 3.4.10.37, 3.4.11.39, 3.4.11.41, 3.4.11.43, 3.4.11.45, 3.4.13.47, 3.4.14.51, 3.4.14.53, 3.4.15.55, 3.4.16.57, 4.0.0.21, 4.0.1.23, 4.0.1.24, 4.1.0.25, 4.1.1.26, 4.1.2.30, 4.2.0.32, 4.2.0.34, 4.3.0.36, 4.3.0.38, 4.4.0.40, 4.4.0.42, 4.4.0.44, 4.4.0.46, 4.5.1.48, 4.5.2.52, 4.5.2.54, 4.5.3.56, 4.5.4.58)
ERROR: No matching distribution found for opencv-python==4.5.1 ```

[rohitagarwal257]

I updated the requirements.txt file to change it from 4.5.1 to 4.5.1.48. It worked, although not sure if it would lead to any downstream issue yet. Were you able to resolve the issue by any other means, what did you do and did it work for you?