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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 resume(self):
 """ Resumes this QEMU VM. """


        vm_status = yield from self._get_vm_status()
        if vm_status is None:
            raise QemuError("Resuming a QEMU VM is not supported")
        elif vm_status == "paused":
            yield from self._control_vm("cont")
            log.debug("QEMU VM has been resumed")
        else:
            log.info("QEMU VM is not paused to be resumed, current status is {}".format(vm_status))