pto_gen: unrecognized option '--version'

pto_gen: generate project file from images pto_gen version 2017.0.0.eac5e8cc546e Usage: pto_gen [options] image1 [...] Options: -o, --output=file.pto Output Hugin PTO file. -p, --projection=INT Projection type (default: 0) -f, --fov=FLOAT Horizontal field of view of images (default: 50) -c, --crop=left,right,top,bottom Sets the crop of input images (especially for fisheye lenses) -s, --stacklength=INT Number of images in stack (default: automatic detection) -l, --linkstacks Link image positions in stacks --distortion Try to load distortion information from lens database --vignetting Try to load vignetting information from lens database -h, --help Shows this help