def remove_from_labels(self, label):
assert isinstance(label, (github.Label.Label, str, unicode)), label<EOL>if isinstance(label, github.Label.Label):<EOL><INDENT>label = label._identity<EOL><DEDENT>else:<EOL><INDENT>label = urllib.quote(label)<EOL><DEDENT>headers, data = self._requester.requestJsonAndCheck(<EOL>"<STR_LIT>",<EOL>self.url + "<STR_LIT>" + label<EOL>)<EOL>
:calls: `DELETE /repos/:owner/:repo/issues/:number/labels/:name <http://developer.github.com/v3/issues/labels>`_
:param label: :class:`github.Label.Label` or string
:rtype: None