ipa[server,replica,client]: pylint fixes

roles/ipaclient/library/ipaclient_setup_ntp.py

@@ -139,7 +139,7 @@ def main():
             logger.info("Skipping chrony configuration")
 
     else:
-        ntp_srv_servers = [ ]
+        ntp_srv_servers = []
         if not options.on_master and options.conf_ntp:
             # Attempt to sync time with IPA server.
             # If we're skipping NTP configuration, we also skip the time sync here.
@@ -176,5 +176,6 @@ def main():
     # Done
     module.exit_json(changed=synced_ntp)
 
+
 if __name__ == '__main__':
     main()