Fix logging with pf method and Python 3.5

sshuttle/methods/pf.py

@@ -158,12 +158,13 @@ class Method(BaseMethod):
         argv = (sock.family, socket.IPPROTO_TCP,
                 peer[0].encode("ASCII"), peer[1],
                 proxy[0].encode("ASCII"), proxy[1])
-        pfile.write(b"QUERY_PF_NAT %d,%d,%s,%d,%s,%d\n" % argv)
+        out_line = b"QUERY_PF_NAT %d,%d,%s,%d,%s,%d\n" % argv
+        pfile.write(out_line)
         pfile.flush()
-        line = pfile.readline()
-        debug2(b"QUERY_PF_NAT %d,%d,%s,%d,%s,%d" % argv + b' > ' + line)
-        if line.startswith(b'QUERY_PF_NAT_SUCCESS '):
-            (ip, port) = line[21:].split(b',')
+        in_line = pfile.readline()
+        debug2(out_line.decode("ASCII") + ' > ' + in_line.decode("ASCII"))
+        if in_line.startswith(b'QUERY_PF_NAT_SUCCESS '):
+            (ip, port) = in_line[21:].split(b',')
             return (ip.decode("ASCII"), int(port))
 
         return sock.getsockname()

sshuttle/tests/test_methods_pf.py

@@ -12,6 +12,7 @@ def test_get_supported_features():
     assert not features.udp
 
 
+@patch('sshuttle.helpers.verbose', new=3)
 def test_get_tcp_dstip():
     sock = Mock()
     sock.getpeername.return_value = ("127.0.0.1", 1024)