Fix GetNodesByIP when one data provider is present (#216)
Fix GetNodesByIP when one data provider is present (#216)


opserver/Opserver,mqbk/Opserver,opserver/Opserver,jeddytier4/Opserver,jeddytier4/Opserver,mqbk/Opserver,manesiotise/Opserver,manesiotise/Opserver,GABeech/Opserver,opserver/Opserver,GABeech/Opserver,manesiotise/Opserver,rducom/Opserver,rducom/Opserver