'Creates an object from raw_data previously obtained by :attr:`github.GithubObject.GithubObject.raw_data`,
and optionaly headers previously obtained by :attr:`github.GithubObject.GithubObject.raw_headers`.
:param klass: the class of the object to create
:param raw_data: dict
:param headers: dict
:rtype: instance of class ``klass``'

def create_from_raw_data(self, klass, raw_data, headers={}):

    return klass(self.__requester, headers, raw_data, completed=True)
