echocat/puppet-graphite — pull request #112 by CpuID (2014-11-18 06:23:03+00:00)
Title: compatibility with future parser

without this, when gr_memcache_hosts is not used:

Error: Failed to parse template graphite/opt/graphite/webapp/graphite/local_settings.py.erb:
Filepath: /usr/src/puppet/modules/graphite/templates/opt/graphite/webapp/graphite/local_settings.py.erb
Line: 55
Detail: undefined method `each' for nil:NilClass