1 files changed, 6 insertions, 5 deletions

diff --git a/gnunet/gnsrecord.py b/gnunet/gnsrecord.py
index 1cb0d72..e9774c4 100644
--- a/gnunet/gnsrecord.py
+++ b/gnunet/gnsrecord.py
@@ -1,7 +1,7 @@
 import datetime
 
 
-dns_types = {
+DNS_TYPES = {
     "A":      1,
     "NS":     2,
     "CNAME":  5,
@@ -13,7 +13,7 @@ dns_types = {
     "TLSA":   52}
 
 
-gns_types = {
+GNS_TYPES = {
     "PKEY":     65536,
     "NICK":     65537,
     "LEHO":     65538,
@@ -21,14 +21,15 @@ gns_types = {
     "GNS2DNS":  65540}
 
 
-types = dict(list(dns_types.items()) + list(gns_types.items()))
+TYPES = dict(DNS_TYPES.items())
+TYPES.update(GNS_TYPES.items())
 
 
 class Data:
     def __init__(self, record_type, data, expiration_time=None, private=None, pending=None, shadow=None):
         self.record_type = str(record_type)
-        if record_type not in types:
-            raise ValueError("'record_type' must be one of %s" % types)
+        if record_type not in TYPES:
+            raise ValueError("'record_type' must be one of %s" % TYPES)
         # self.data = bytearray(data)
         self.data = str(data)
         if expiration_time is not None and not isinstance(expiration_time, datetime.datetime) or isinstance(expiration_time, datetime.timedelta):