code: def availableBranches(self):
          ''' return a list of GithubComponentVersion objects for the tip of each branch
          '''
          return [
              GithubComponentVersion(
                  '', b[0], b[1], self.name, cache_key=None
              ) for b in _getBranchHeads(self.repo).items()
          f availableBranches(self):
          ''' return a list of GithubComponentVersion objects for the tip of each branch
          '''
          return [
              GithubComponentVersion(
                  '', b[0], b[1], self.name, cache_key=None
              ) for b in _getBranchHeads(self.repo).items()
          ]
docs: return a list of GithubComponentVersion objects for the tip of each branch