home/user/MyDocs/Preenv # apt-get install preenv
Reading package lists... Done
Building dependency tree       
Reading state information... Done
preenv is already the newest version.
You might want to run `apt-get -f install' to correct these:
The following packages have unmet dependencies:
  preenv: Depends: libgles1-sgx-img but it is not going to be installed
  python-pygame: Depends: libsdl-ttf2.0 (>= 2.0.9) but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).