args is empty in BBorBInode when CFG generated

[megapyroblast]

Excuse me, why is there no argument in the variable args in the picture below?

cmd_result = subprocess.Popen(cmd,shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, stdin=subprocess.DEVNULL).stdout.read()
Sorry, I'm not a native speaker. I hope I'm making myself clear