#48: Initialize extras as empty dict if null
#48: Initialize extras as empty dict if null

emrah-b/oclapi,ayseyo/oclapi,ayseyo/oclapi,emrah-b/oclapi,hevalberknevruz/oclapi,snyaggarwal/oclapi,OpenConceptLab/oclapi,burakince/oclapi,emrah-b/oclapi,molgun/oclapi,OpenConceptLab/oclapi,ayseyo/oclapi,OpenConceptLab/oclapi,ayseyo/oclapi,hevalberknevruz/oclapi,snyaggarwal/oclapi,hevalberknevruz/oclapi,molgun/oclapi,OpenConceptLab/oclapi,snyaggarwal/oclapi,hevalberknevruz/oclapi,molgun/oclapi,emrah-b/oclapi,OpenConceptLab/oclapi,snyaggarwal/oclapi,burakince/oclapi,molgun/oclapi,burakince/oclapi,burakince/oclapi