Minor linter nits

lib/network.py

@@ -78,6 +78,7 @@ def parse_servers(result):
             servers[host] = out
     return servers
 
+
 def filter_version(servers):
     def is_recent(version):
         try:
@@ -97,12 +98,14 @@ def filter_protocol(hostmap, protocol = 's'):
             eligible.append(serialize_server(host, port, protocol))
     return eligible
 
+
 def pick_random_server(hostmap = None, protocol = 's', exclude_set = set()):
     if hostmap is None:
         hostmap = constants.net.DEFAULT_SERVERS
     eligible = list(set(filter_protocol(hostmap, protocol)) - exclude_set)
     return random.choice(eligible) if eligible else None
 
+
 from .simple_config import SimpleConfig
 
 proxy_modes = ['socks4', 'socks5', 'http']
@@ -416,7 +419,7 @@ class Network(util.DaemonThread):
                 self.print_error("connecting to %s as new interface" % server)
                 self.set_status('connecting')
             self.connecting.add(server)
-            c = Connection(server, self.socket_queue, self.config.path)
+            Connection(server, self.socket_queue, self.config.path)
 
     def start_random_interface(self):
         with self.interface_lock:
@@ -569,6 +572,7 @@ class Network(util.DaemonThread):
             self.interface = None
             self.start_interface(server)
             return
+
         i = self.interfaces[server]
         if self.interface != i:
             self.print_error("switching to", server)
@@ -798,6 +802,7 @@ class Network(util.DaemonThread):
             server, socket = self.socket_queue.get()
             if server in self.connecting:
                 self.connecting.remove(server)
+
             if socket:
                 self.new_interface(server, socket)
             else: