code: def pip_report(self):
          
          comment = '#' if not self.remote_url else ''
          if os.path.exists(os.path.join(self.fpath, 'setup.py')):
              yield u"%s-e %s+%s@%s#egg=%s" % (
                  comment,
                  self.label,
                  self.to_normal_url(self.remote_url),
                  self.current_id,
                  self.eggname)
          return
docs: Show editable pip-requirements line necessary to clone this repository
  
          Yields:
              str: pip-requirements line necessary to clone this repository