img2 = PILImage.new('RGBA', (1920, 1080), (0,0,0,0))
img2.save('test.png')

$ pip2.7 freeze | grep -i pillow
Pillow==4.0.0

$ python2.7 -V
Python 2.7.9

$ apt list --installed | grep -i imagemagick
imagemagick/stable,now 8:6.8.9.9-5+deb8u6 amd64 [installed]
imagemagick-6.q16/stable,now 8:6.8.9.9-5+deb8u6 amd64 [installed,automatic]
imagemagick-common/stable,now 8:6.8.

$ convert --version
Version: ImageMagick 6.8.9-9 Q16 x86_64 2016-11-26 http://www.imagemagick.org

$ uname -a
Linux revo-vpn-74 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux

$ cat /etc/*release
PRETTY_NAME="Debian GNU/Linux 8 (jessie)"
NAME="Debian GNU/Linux"
VERSION_ID="8"
VERSION="8 (jessie)"
ID=debian
HOME_URL="http://www.debian.org/"
SUPPORT_URL="http://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"