Nvm does not change Node version on machine

I already tried, but I will retry

to be clear to run the above in a run block:

      - run: 
          command: |
            echo 'export NVM_DIR="/opt/circleci/.nvm"' >> $BASH_ENV
            echo ' [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"' >> $BASH_ENV