commit 4f22d8eef1b0568a341110d907ec2036e652968e
Author: vaydheesh <lokendras1998@gmail.com>
Date:   Mon Jul 22 18:41:18 2019 +0530

    ValueError if unsupported target

diff --git a/apertium/installer.py b/apertium/installer.py
index 1702bd8..0ea1973 100644
--- a/apertium/installer.py
+++ b/apertium/installer.py
@@ -145,12 +145,15 @@ class Ubuntu:
 def get_installer():
     if platform.system() == 'Windows':
         return Windows()
-    if platform.system() == 'Linux':
+    elif platform.system() == 'Linux':
         with open('/etc/os-release') as os_release:
             distro_name = os_release.readline().split('=')[-1].strip().replace('"', '')
         if distro_name == 'Ubuntu':
             return Ubuntu()
-    raise ValueError('Installation on {} not supported'.format(platform.system()))
+        else:
+            raise ValueError('Installation on {} not supported'.format(distro_name))
+    else:
+        raise ValueError('Installation on {} not supported'.format(platform.system()))
 
 
 def install_apertium() -> None: