code: def create_git_blob(self, content, encoding):
          
          assert isinstance(content, (str, unicode)), content
          assert isinstance(encoding, (str, unicode)), encoding
          post_parameters = {
              "content": content,
              "encoding": encoding,
          }
          headers, data = self._requester.requestJsonAndCheck(
              "POST",
              self.url + "/git/blobs",
              input=post_parameters
          )
          return github.GitBlob.GitBlob(self._requester, headers, data, completed=True)
docs: :calls: `POST /repos/:owner/:repo/git/blobs <http://developer.github.com/v3/git/blobs>`_
          :param content: string
          :param encoding: string
          :rtype: :class:`github.GitBlob.GitBlob`