fix syntax

subnets.py

@@ -8,48 +8,49 @@ parser.add_argument('-t', '--test', action='store_const', const=True, help='Те
 parser.add_argument('-s', '--summask', type=int, help='Суммаризация по маске')
 args = parser.parse_args()
 
+
 def read_ips():
-    ip_cnt,prefixes = 0, {}
+    ip_cnt, _prefixes = 0, {}
     for line in sys.stdin:
         line, ip_cnt = line.strip('\n'), ip_cnt + 1
         try:
             if ipaddress.ip_network(line) or ipaddress.ip_address(line):
                 prefix = ipaddress.ip_network(line).network_address.compressed
-                prefixlen = ipaddress.ip_network(line).prefixlen
-                if args.summask and prefixlen > args.summask:
-                    supernet = ipaddress.ip_network(prefix,prefixlen).supernet(new_prefix=args.summask)
+                _prefixlen = ipaddress.ip_network(line).prefixlen
+                if args.summask and _prefixlen > args.summask:
+                    supernet = ipaddress.ip_network(prefix, _prefixlen).supernet(new_prefix=args.summask)
                     prefix = supernet.network_address.compressed
-                    prefixlen = supernet.prefixlen
-                prefixes[prefix] = prefixlen
+                    _prefixlen = supernet.prefixlen
+                _prefixes[prefix] = _prefixlen
         except ValueError:
-            continue #bad subnet address
+            continue  # bad subnet address
     if args.test:
         print('{} IP/Net -> stdin'.format(ip_cnt))
-    return prefixes
+    return _prefixes
 
 
-def subnets_join(prefixes, new_prefixlen):
+def subnets_join(_prefixes, new_prefixlen):
     new_prefixes = {}
-    for network_address, prefixlen in prefixes.items():
-        if prefixlen == new_prefixlen + 1:
-            supernet = ipaddress.ip_network(network_address, prefixlen).supernet(new_prefix=new_prefixlen)
+    for network_address, _prefixlen in _prefixes.items():
+        if _prefixlen == new_prefixlen + 1:
+            supernet = ipaddress.ip_network(network_address, _prefixlen).supernet(new_prefix=new_prefixlen)
             new_network_address = supernet.network_address.compressed
             subnets = list(supernet.subnets())
             prefix_count = 0
             for subnet in subnets:
-                if prefixes.get(subnet.network_address.compressed) == subnet.prefixlen:
+                if _prefixes.get(subnet.network_address.compressed) == subnet.prefixlen:
                     prefix_count += 1
             if prefix_count > 1:
                 new_prefixes[new_network_address] = new_prefixlen
             else:
-                new_prefixes[network_address] = prefixlen
+                new_prefixes[network_address] = _prefixlen
         else:
-            new_prefixes[network_address] = prefixlen
+            new_prefixes[network_address] = _prefixlen
     return new_prefixes
 
 
 prefixes = read_ips()
-maxprefixlen,start_cnt = 32, len(prefixes)
+maxprefixlen, start_cnt = 32, len(prefixes)
 for prefixlen in range(maxprefixlen, 0, -1):
     prefixes = subnets_join(prefixes, prefixlen)
     if args.test: