def get_gists(self, since=github.GithubObject.NotSet):
assert since is github.GithubObject.NotSet or isinstance(since, datetime.datetime), since<EOL>url_parameters = dict()<EOL>if since is not github.GithubObject.NotSet:<EOL><INDENT>url_parameters["<STR_LIT>"] = since.strftime("<STR_LIT>")<EOL><DEDENT>return github.PaginatedList.PaginatedList(<EOL>github.Gist.Gist,<EOL>self._requester,<EOL>"<STR_LIT>",<EOL>url_parameters<EOL>)<EOL>
:calls: `GET /gists <http://developer.github.com/v3/gists>`_
:param since: datetime.datetime format YYYY-MM-DDTHH:MM:SSZ
:rtype: :class:`github.PaginatedList.PaginatedList` of :class:`github.Gist.Gist`