old_contents: #!/bin/python
  import os
  from libinstall import FileInstaller, PackageInstaller
  dir = os.path.dirname(__file__)
  
  PackageInstaller.try_install('python-pyqt4')     # for panel
  PackageInstaller.try_install('dmenu')            # program executor
  PackageInstaller.try_install('bspwm-git')        # window manager
  PackageInstaller.try_install('sxhkd-git')        # hotkey manager
  PackageInstaller.try_install('feh')              # wallpaper renderer
  
  PackageInstaller.try_install('psutil', method='pip')      # CPU usage
  PackageInstaller.try_install('pyalsaaudio', method='pip') # system volume
  PackageInstaller.try_install('python-mpd2', method='pip') # mpd interaction
  
  FileInstaller.create_symlink(os.path.join(dir, '.sxhkdrc'), '~/.config/sxhkd/sxhkdrc')
  FileInstaller.create_symlink(os.path.join(dir, '.bspwmrc'), '~/.config/bspwm/bspwmrc')
  FileInstaller.create_symlink(os.path.join(dir, 'rules'), '~/.config/bspwm/rules')
  FileInstaller.create_symlink(os.path.join(dir, 'panel'), '~/.config/bspwm/panel')
  
new_contents: #!/bin/python
  import os
  from libinstall import FileInstaller, PackageInstaller
  dir = os.path.dirname(__file__)
  
  PackageInstaller.try_install('python-pyqt4')     # for panel
  PackageInstaller.try_install('dmenu')            # program executor
  PackageInstaller.try_install('bspwm-git')        # window manager
  PackageInstaller.try_install('sxhkd-git')        # hotkey manager
  PackageInstaller.try_install('feh')              # wallpaper renderer
  
  PackageInstaller.try_install('psutil', method='pip')       # CPU usage
  PackageInstaller.try_install('pyalsaaudio', method='pip')  # system volume
  PackageInstaller.try_install('python-mpd2', method='pip')  # mpd interaction
  PackageInstaller.try_install('python3-xlib', method='pip') # window titles
  
  FileInstaller.create_symlink(os.path.join(dir, '.sxhkdrc'), '~/.config/sxhkd/sxhkdrc')
  FileInstaller.create_symlink(os.path.join(dir, '.bspwmrc'), '~/.config/bspwm/bspwmrc')
  FileInstaller.create_symlink(os.path.join(dir, 'rules'), '~/.config/bspwm/rules')
  FileInstaller.create_symlink(os.path.join(dir, 'panel'), '~/.config/bspwm/panel')
  
subject: fix installing pannel