style fix list_table.py

src/opnsense/scripts/filter/list_table.py

@@ -35,19 +35,21 @@ import os
 import sys
 import ujson
 
-result = []
-if len(sys.argv) > 1:
+if __name__ == '__main__':
+    result = []
+    if len(sys.argv) > 1:
         with tempfile.NamedTemporaryFile() as output_stream:
-        subprocess.call(['/sbin/pfctl', '-t', sys.argv[1], '-T', 'show'], stdout=output_stream, stderr=open(os.devnull, 'wb'))
+            subprocess.call(['/sbin/pfctl', '-t', sys.argv[1], '-T', 'show'],
+                            stdout=output_stream, stderr=open(os.devnull, 'wb'))
             output_stream.seek(0)
             for line in output_stream.read().strip().split('\n'):
                 if line.strip() != "":
                     result.append(line.strip())
 
-# handle command line argument (type selection)
-if len(sys.argv) > 2 and sys.argv[2] == 'json':
+    # handle command line argument (type selection)
+    if len(sys.argv) > 2 and sys.argv[2] == 'json':
         print(ujson.dumps(result))
-else:
+    else:
         # output plain
         for table in result:
             print (table)