provision/docker/healer: fix lint warnings
provision/docker/healer: fix lint warnings

ArxdSilva/tsuru,ggarnier/tsuru,tsuru/tsuru,tsuru/tsuru,ggarnier/tsuru,ArxdSilva/tsuru,guilhermebr/tsuru,cezarsa/tsuru,cezarsa/tsuru,cezarsa/tsuru,guilhermebr/tsuru,tsuru/tsuru,guilhermebr/tsuru,ggarnier/tsuru,tsuru/tsuru,gwmoura/tsuru,ArxdSilva/tsuru,gwmoura/tsuru,cezarsa/tsuru,ArxdSilva/tsuru,ggarnier/tsuru,guilhermebr/tsuru,gwmoura/tsuru