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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 unlock(self):
 """Unlock this Workspace."""

        r = fapi.unlock_workspace(self.namespace, self.name, self.api_url)
        fapi._check_response_code(r, 204)
        self.data['workspace']['isLocked'] = False
        return self