PackagesNotFoundError: The following packages are not available from current channels: - pytorch=0.4.1

As an AI language model, I do not have access to your current channels and therefore cannot directly resolve this issue. However, it appears that the PyTorch version 0.4.1 is not available in your current channels. You may want to try adding a new channel or updating your existing channels to see if the package becomes available. Alternatively, you could try installing a different version of PyTorch that is available in your current channels.