style fix list_osfp.py

src/opnsense/scripts/filter/list_osfp.py

@@ -34,19 +34,20 @@ import os
 import sys
 import ujson
 
-result=[]
-with tempfile.NamedTemporaryFile() as output_stream:
-    subprocess.call(['/sbin/pfctl','-s', 'osfp'], stdout=output_stream, stderr=open(os.devnull, 'wb'))
+if __name__ == '__main__':
+    result = []
+    with tempfile.NamedTemporaryFile() as output_stream:
+        subprocess.call(['/sbin/pfctl', '-s', 'osfp'], stdout=output_stream, stderr=open(os.devnull, 'wb'))
         output_stream.seek(0)
         data = output_stream.read().strip()
-    if (data.count('\n') > 2):
+        if data.count('\n') > 2:
             for line in data.split('\n')[2:]:
-            result.append(line.replace('\t',' ').strip())
+                result.append(line.replace('\t', ' ').strip())
 
-# handle command line argument (type selection)
-if len(sys.argv) > 1 and sys.argv[1] == 'json':
+    # handle command line argument (type selection)
+    if len(sys.argv) > 1 and sys.argv[1] == 'json':
         print(ujson.dumps(result))
-else:
+    else:
         # output plain
         print ('------------------------- OS fingerprints -------------------------')
         for ostype in result: