nhc-genconf errors: nhc_common_unparse_size: command not found

[naterini]

Unmodified install dumps following error when calling nhc-genconf:

[root@yslogin6 ~]# /usr/local/sbin/nhc-genconf -H '*' -c -
# NHC Configuration File
#
# Lines are in the form "<hostmask>||<check>"
# Hostmask is a glob, /regexp/, or {noderange}
# Comments begin with '#'
#
# This file was automatically generated by nhc-genconf
# Thu Jun 7 10:29:00 MDT 2018
#

#######################################################################
###
### NHC Configuration Variables
###
# * || export MARK_OFFLINE=1 NHC_CHECK_ALL=0


#######################################################################
###
### Hardware checks
###
 * || check_hw_cpuinfo   
/usr/local/sbin/nhc-genconf: line 330: nhc_common_unparse_size: command not found
 * || check_hw_physmem   3%
/usr/local/sbin/nhc-genconf: line 334: nhc_common_unparse_size: command not found
 * || check_hw_swap   3%


#######################################################################
###
### nVidia GPU checks
###
 * || check_nv_healthmon

OS:

[root@yslogin6 ~]# lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch:cxx-4.1-amd64:cxx-4.1-noarch:desktop-4.1-amd64:desktop-4.1-noarch:languages-4.1-amd64:languages-4.1-noarch:printing-4.1-amd64:printing-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 7.4.1708 (Core) 
Release:        7.4.1708
Codename:       Core

Git: Installed tag 1.4.2

[mej]

Pending fix via work on PR #63.