fix: [stix2 import] Fixed monkey coder issue
fix: [stix2 import] Fixed monkey coder issue

Rafiot/MISP,FIRSTdotorg/MISP,devnull-/MISP,devnull-/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,SteveClement/MISP,Rafiot/MISP,devnull-/MISP,Rafiot/MISP,SteveClement/MISP,SteveClement/MISP,Rafiot/MISP,SteveClement/MISP,devnull-/MISP,MISP/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP,MISP/MISP,MISP/MISP,MISP/MISP,FloatingGhost/MISP,MISP/MISP,SteveClement/MISP,FloatingGhost/MISP