update and fix tox tool

Author: caberos

SoftLayer/CLI/firewall/detail.py

@@ -35,7 +35,6 @@ def cli(env, identifier):
         rules = mgr.get_dedicated_fwl_rules(firewall_id)
     else:
         rules = mgr.get_standard_fwl_rules(firewall_id)
-        
     table.add_row(['rules', get_rules_table(rules)])
     env.fout(table)