Add to bashrc to autocomplete nvim scp commands: `nvim <remote>:/path/to/file.py`

.bashrc

# autocomplete nvim scp commands
nvim () {
  local params=();
  while [[ ! -z $1 ]]; do
    if [[ "$1" =~ ^[a-z0-9-]*:/.*$ ]]; then
      params=("scp://${1/:\//\/\//}" "${params[@]}");
    else
      params+=("$1");
    fi;
    shift;
  done;
  echo nvim ${params[@]};
  `which nvim` ${params[@]};
}
. /usr/share/bash-completion/completions/scp
complete -F _scp -o nospace nvim