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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def snooze(self, from_email, duration):
 """Snooze this incident for `duration` seconds."""

        if from_email is None or not isinstance(from_email, six.string_types):
            raise MissingFromEmail(from_email)

        endpoint = '/'.join((self.endpoint, self.id, 'snooze'))
        add_headers = {'from': from_email, }

        return self.__class__.create(
            endpoint=endpoint,
            api_key=self.api_key,
            add_headers=add_headers,
            data_key='duration',
            data=duration,
        )