code: def _write_branch_and_tag_to_meta_yaml(self):
          
          ## set the branch to pull source from
          with open(self.meta_yaml.replace("meta", "template"), 'r') as infile:
              dat = infile.read()
              newdat = dat.format(**{'tag': self.tag, 'branch': self.branch})
  
          with open(self.meta_yaml, 'w') as outfile:
              outfile.write(newdat)
docs: Write branch and tag to meta.yaml by editing in place