Install Gphoto2

[Valencanoextinto]

hello Thank so much for all your hard work. i have a problem , everytime i have finished to instal gphoto2, it is showing me this error:
./install-gphoto2.sh: line 271: gphoto2: command not found

And when i use: "gphoto2 --auto-detect" it show me this:

if someone can help me, i would really appreciate it. thanks a lot.