generate-rancid.php no output Huawei devices

Hi Team,

when the script is run i dont see any output for huawei devices can you please advise is this a bug or am i missing something?

output here:

scripts/generate-rancid.php -d
DEBUG!

CMD[/usr/bin/svn info /opt/observium]

CMD EXITCODE[0]
CMD RUNTIME[0.0073s]
CMD EXITDELAY[10ms]
STDOUT[
Path: .
Working Copy Root Path: /opt/observium
URL: http://svn.observium.org/svn/observium/branches/stable
Relative URL: ^/observium/branches/stable
Repository Root: http://svn.observium.org/svn
Repository UUID: 61d68cd4-352d-0410-923a-c4978735b2b8
Revision: 9652
Node Kind: directory
Schedule: normal
Last Changed Author: adama
Last Changed Rev: 9472
Last Changed Date: 2018-10-17 01:14:11 +1000 (Wed, 17 Oct 2018)

]

SQL[SELECT `attrib_value` FROM `observium_attribs` WHERE `attrib_type` = 'dbSchema';]
SQL RUNTIME[0.00025487s]

SQL[SELECT @@SESSION.sql_mode;]
SQL RUNTIME[0.00011516s]

SQL[SET SESSION `sql_mode` = 'NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION']
SQL RUNTIME[0.00009394s]
DB mode(s) disabled: STRICT_TRANS_TABLES, ONLY_FULL_GROUP_BY

SQL[SELECT `attrib_value` FROM `observium_attribs` WHERE `attrib_type` = 'current_rev';]
SQL RUNTIME[0.00015998s]

SQL[SELECT * FROM `config`]
SQL RUNTIME[0.00020695s]
Used RANCID version configured manually in $config['rancid_version']: 3

1. RANCID router.db autogenerated by /opt/observium/scripts/generate-rancid.php
2. Used RANCID version configured manually in $config['rancid_version']: 3
3. Do not edit this file directly!

SQL[SELECT `hostname`, `os`, `disabled`, `status` FROM `devices` ORDER BY `hostname`]
SQL RUNTIME[0.00032687s]
c1941;cisco;up