Problem installing lambda stack: Failed to fetch python3-tensorflow-cuda

Tried installing lambda stack with the suggested command:

LAMBDA_REPO=$(mktemp) && \
wget -O${LAMBDA_REPO} && \
sudo dpkg -i ${LAMBDA_REPO} && rm -f ${LAMBDA_REPO} && \
sudo apt-get update && sudo apt-get install -y lambda-stack-cuda

Got the following error:

Err:1 focal/main amd64 python3-tensorflow-cuda amd64 2.3.1-0lambda2
  404  Not Found [IP: 80]
E: Failed to fetch  404  Not Found [IP: 80]
E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?

OS: Ubuntu 20.04.1 LTS

Hello, just try to rerun the command, that happens sometimes. Just rerun the command make sure your device has a stable internet connection.

TLDR: Rerun install command.

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