fix zero padding on python3

diff --git a/dns/rdtypes/IN/APL.py b/dns/rdtypes/IN/APL.py
index 2bd4ce5a9e00938f935751159737f31057f50d0b..ac9c1f02bfa50d65078d539b3d2a31eb67e0fc74 100644 (file)
--- a/dns/rdtypes/IN/APL.py
+++ b/dns/rdtypes/IN/APL.py
@@ -142,11 +142,11 @@ class APL(dns.rdata.Rdata):
             l = len(address)
             if header[0] == 1:
                 if l < 4:
-                    address += '\x00' * (4 - l)
+                    address += b'\x00' * (4 - l)
                 address = dns.inet.inet_ntop(dns.inet.AF_INET, address)
             elif header[0] == 2:
                 if l < 16:
-                    address += '\x00' * (16 - l)
+                    address += b'\x00' * (16 - l)
                 address = dns.inet.inet_ntop(dns.inet.AF_INET6, address)
             else:
                 #