docs: def get_file(self, filename):
          """Get a file from the repo.
  
          Returns a file-like stream with the data.
          """
          log.debug('[%s]: reading: //%s/%s', self.name, self.name, filename)
          try:
              blob = self.repo.head.commit.tree/filename
              return blob.data_stream
          except KeyError as err:
              raise GitError(err)