old_contents: def rtmp_link(racer_1_name: str, racer_2_name: str) -> str:
      return '<http://{hostsite}/#{r1name}/{r2name}>'.format(
                  hostsite='condor.host',
                  r1name=racer_1_name,
                  r2name=racer_2_name
              )
  
new_contents: def rtmp_link(racer_1_name: str, racer_2_name: str) -> str:
      return '<http://{hostsite}/#{r1name}/{r2name}>'.format(
                  hostsite='condor.live',
                  r1name=racer_1_name,
                  r2name=racer_2_name
              )
  
subject: Update rtmputil.py