def reactivate(self):
response = self._requester.request(<EOL>'<STR_LIT>',<EOL>'<STR_LIT>'.format(self.course_id, self.id)<EOL>)<EOL>return Enrollment(self._requester, response.json())<EOL>
Activate an inactive enrollment.

:calls: `PUT /api/v1/courses/:course_id/enrollments/:id/reactivate \
<https://canvas.instructure.com/doc/api/enrollments.html#method.enrollments_api.reactivate>`_

:rtype: :class:`canvasapi.enrollment.Enrollment`