corrige des images qui étaient au format eps

Notebooks/imgs_chap5/img_exo_2spirales (copie 1).py

Notebooks/imgs_chap5/img_exo_2spirales.eps

Notebooks/imgs_chap5/img_exo_2spirales.png

Notebooks/imgs_chap5/img_exo_carres (copie 1).py

Notebooks/imgs_chap5/img_exo_carres.eps

Notebooks/imgs_chap5/img_exo_carres.png

Notebooks/imgs_chap5/img_exo_spirale (copie 1).py

Notebooks/imgs_chap5/img_exo_spirale.eps

Notebooks/imgs_chap5/img_exo_spirale.png

Notebooks/imgs_chap5/img_exo_triangles (copie 1).py

Notebooks/imgs_chap5/img_exo_triangles.eps

Notebooks/imgs_chap5/img_exo_triangles.png