provision/swarm: fix unnecessary type conversion
provision/swarm: fix unnecessary type conversion

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