Dependency is not satisfiable: libgflags2

[ghost]

$ sudo gdebi paddle-cpu-0.8.0b1-Linux.deb
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading state information... Done
This package is uninstallable
Dependency is not satisfiable: libgflags2

$sudo find / -name libgflags*
/usr/lib/x86_64-linux-gnu/libgflags.so.2
/usr/lib/x86_64-linux-gnu/libgflags_nothreads.so
/usr/lib/x86_64-linux-gnu/libgflags.so
/usr/lib/x86_64-linux-gnu/libgflags.so.2.1.2
/usr/lib/x86_64-linux-gnu/libgflags_nothreads.so.2.1.2
/usr/lib/x86_64-linux-gnu/libgflags.a
/usr/lib/x86_64-linux-gnu/libgflags_nothreads.so.2
/usr/lib/x86_64-linux-gnu/libgflags_nothreads.a
/usr/lib/libgflags.so
/usr/share/doc/libgflags-dev
/usr/share/doc/libgflags2v5
/usr/share/lintian/overrides/libgflags2v5
/usr/local/lib/libgflags.a
/usr/local/lib/libgflags_nothreads.a
find: ‘/run/user/1000/gvfs’: Permission denied
/home/melody/Downloads/libgflags-dev_2.0-1_amd64.deb
/home/melody/Downloads/gflags/build/lib/libgflags.a
/home/melody/Downloads/gflags/build/lib/libgflags_nothreads.a
/var/lib/dpkg/info/libgflags2v5.list
/var/lib/dpkg/info/libgflags2v5.md5sums
/var/lib/dpkg/info/libgflags2v5.postinst
/var/lib/dpkg/info/libgflags-dev.list
/var/lib/dpkg/info/libgflags2v5.shlibs
/var/lib/dpkg/info/libgflags-dev.md5sums
/var/lib/dpkg/info/libgflags2v5.postrm

I have installed libgflags, but it shows these info.