put nscd restart in try except

set_app_domain.py

@@ -3,7 +3,6 @@
 '''
 Script to set the domain of an existing MediaServer, Miris Manager or Monitor
 '''
-import apt
 import os
 import re
 import subprocess
@@ -163,13 +162,10 @@ class SetAppDomain():
                 with open('/etc/hosts', 'w') as fo:
                     fo.write(new_hosts)
                 log('The "/etc/hosts" file has been update.')
-                cache = apt.Cache()
-                cache.open()
                 try:
-                    cache['nscd'].is_installed
                     utils.run_commands(['service nscd restart'])
-                except KeyError:
-                    pass
+                except Exception as nscd_err:
+                    log(nscd_err)
         else:
             log('The "/etc/hosts" file is already up to date.')