ansible-lint does not work when given an empty (/dev/null) config file.
Traceback (most recent call last):
File "/tmp/ansible.td6htcac/bin/ansible-lint", line 8, in <module>
sys.exit(main())
File "/tmp/ansible.td6htcac/lib/python3.6/site-packages/ansiblelint/__main__.py", line 42, in main
options = cli.get_config(sys.argv[1:])
File "/tmp/ansible.td6htcac/lib/python3.6/site-packages/ansiblelint/cli.py", line 208, in get_config
config = load_config(options.config_file)
File "/tmp/ansible.td6htcac/lib/python3.6/site-packages/ansiblelint/cli.py", line 77, in load_config
expand_to_normalized_paths(config, config_dir)
File "/tmp/ansible.td6htcac/lib/python3.6/site-packages/ansiblelint/cli.py", line 40, in expand_to_normalized_paths
if paths_var not in config:
TypeError: argument of type 'NoneType' is not iterable
Change-Id: Id2a883676c9fbb3a2c704c8cbd8f3cbc28cdc5fb
aeca4e34e3