einloggen per ssh
cd /tmp
dpkg --purge python-pil
wget http://ftp.de.debian.org/debian/pool/main/p/pillow/python-pil_2.6.1-2+deb8u3_i386.deb

wget http://ftp.de.debian.org/debian/pool/main/libw/libwebp/libwebp5_0.4.1-1.2+b2_i386.deb
dpkg --install ./libwebp5_0.4.1-1.2+b2_i386.deb
wget http://ftp.de.debian.org/debian/pool/main/libw/libwebp/libwebpdemux1_0.4.1-1.2+b2_i386.deb
dpkg --install libwebpdemux1_0.4.1-1.2+b2_i386.deb
wget http://ftp.de.debian.org/debian/pool/main/libw/libwebp/libwebpmux1_0.4.1-1.2+b2_i386.deb
dpkg --install libwebpmux1_0.4.1-1.2+b2_i386.deb
dpkg --install ./python-pil_2.6.1-2+deb8u3_i386.deb

reboot