Import module snippets in the correct location

system/iptables.py

@@ -18,9 +18,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this software.  If not, see <http://www.gnu.org/licenses/>.
 
-# import module snippets
-from ansible.module_utils.basic import *
-
 BINS = dict(
     ipv4='iptables',
     ipv6='ip6tables',
@@ -363,5 +360,8 @@ def main():
 
     module.exit_json(**args)
 
+# import module snippets
+from ansible.module_utils.basic import *
+
 if __name__ == '__main__':
     main()