code: def get_tree_from_tag(self, ref):
          '''
          Return a git.Tree object matching a tag ref fetched into refs/tags/
          '''
          try:
              return git.TagReference(
                  self.repo,
                  'refs/tags/{0}'.format(ref)).commit.tree
          except ValueError:
              return Nonf get_tree_from_tag(self, ref):
          '''
          Return a git.Tree object matching a tag ref fetched into refs/tags/
          '''
          try:
              return git.TagReference(
                  self.repo,
                  'refs/tags/{0}'.format(ref)).commit.tree
          except ValueError:
              return None
docs: Return a git.Tree object matching a tag ref fetched into refs/tags/