xfce_displays removed from configuration.

Now, it is completely automatic.

himawaripy/config.py

@@ -2,8 +2,6 @@
 
 import appdirs
 
-import subprocess
-
 # Increases the quality and the size. Possible values: 4, 8, 16, 20
 level = 4
 
@@ -19,8 +17,3 @@
 output_file = os.path.join(appdirs.user_cache_dir(appname="himawaripy",
                                                   appauthor=False),
                            "latest.png")
-
-# Xfce4 displays to change the background of
-xfce_displays = subprocess.getoutput(
-        'xfconf-query --channel xfce4-desktop --list | grep last-image').split()
-

himawaripy/utils.py

@@ -4,8 +4,6 @@
 import subprocess
 from distutils.version import LooseVersion
 
-from .config import xfce_displays
-
 
 def set_background(file_path):
     de = get_desktop_environment()
@@ -22,7 +20,10 @@ def set_background(file_path):
     elif de == 'i3':
         subprocess.call(['feh','--bg-max',file_path])
     elif de == "xfce4":
-        for display in xfce_displays:
+        # Xfce4 displays to change the background of
+        displays = subprocess.getoutput('xfconf-query --channel xfce4-desktop --list | grep last-image').split()
+
+        for display in displays:
             subprocess.call(["xfconf-query", "--channel", "xfce4-desktop", "--property", display, "--set", file_path])
     elif de == "lxde":
         subprocess.call(["pcmanfm", "--set-wallpaper", file_path, "--wallpaper-mode=fit", ])