景德镇陶瓷大学更新6.0.0(p)版后，所用py脚本（5.2.0p版本)不能使用了

景德镇陶瓷大学更新6.0.0(p)版后，所用py脚本（5.2.0p版本)不能使用了,跑起来后显示如下
[*] auth svr: 172.29.0.2
[*] pppoe_flag: 2f
[*] keep_alive2_flag: dc
[*] open local port:61440
[*] DEBUG MODE:False
[*] pppoe: send challenge request
[*] pppoe: received challenge response
[*] pppoe: send heartbeat request
[*] pppoe: heartbeat response failed, retry
[*] pppoe: reset idx to 0x01
[*] pppoe: send challenge request
[*] pppoe: received challenge response
[*] pppoe: send heartbeat request
[*] pppoe: heartbeat response failed, retry
[*] pppoe: reset idx to 0x01
[*] pppoe: send challenge request
[*] pppoe: received challenge response
[*] pppoe: send heartbeat request
[*] pppoe: heartbeat response failed, retry
[*] pppoe: reset idx to 0x01
[*] pppoe: send challenge request
[*] pppoe: received challenge response
[*] pppoe: send heartbeat request
^C[*] pppoe: heartbeat response failed, retry
[*] pppoe: reset idx to 0x01
[*] pppoe: send challenge request
[*] pppoe: received challenge response
[*] pppoe: send heartbeat request
[*] pppoe: heartbeat response failed, retry
[*] pppoe: reset idx to 0x01
[*] pppoe: send challenge request
[*] pppoe: received challenge response
Traceback (most recent call last):
File "/usr/bin/drcom", line 451, in
main()
File "/usr/bin/drcom", line 446, in main
pppoe.send(s)
File "/usr/bin/drcom", line 310, in send
data = self._make_heartbeat(sip=sip, challenge_seed=seed, first=True)
File "/usr/bin/drcom", line 281, in _make_heartbeat
crc2 = (DrcomCRC32(data) * 19680126) & 0xFFFFFFFF
NameError: global name 'DrcomCRC32' is not defined
[6.0.0.zip](https://github.com/drcoms/drcom-generic/files/1825518/6.0.0.zip)