diff --git a/src/bmconfigparser.py b/src/bmconfigparser.py
index 1f5d4fce..c969d8fb 100644
--- a/src/bmconfigparser.py
+++ b/src/bmconfigparser.py
@@ -10,8 +10,8 @@ from datetime import datetime
 from six import string_types
 from six.moves import configparser
 
-import state
-from singleton import Singleton
+from pybitmessage import state
+from pybitmessage.singleton import Singleton
 
 SafeConfigParser = configparser.SafeConfigParser
 
diff --git a/src/highlevelcrypto.py b/src/highlevelcrypto.py
index f89a31c8..7bb9f67c 100644
--- a/src/highlevelcrypto.py
+++ b/src/highlevelcrypto.py
@@ -9,10 +9,10 @@ High level cryptographic functions based on `.pyelliptic` OpenSSL bindings.
 
 from binascii import hexlify
 
-import pyelliptic
-from bmconfigparser import BMConfigParser
-from pyelliptic import OpenSSL
-from pyelliptic import arithmetic as a
+from pybitmessage import pyelliptic
+from pybitmessage.bmconfigparser import BMConfigParser
+from pybitmessage.pyelliptic import OpenSSL
+from pybitmessage.pyelliptic import arithmetic as a
 
 
 def makeCryptor(privkey):
diff --git a/src/protocol.py b/src/protocol.py
index 4f2d0856..0e44d734 100644
--- a/src/protocol.py
+++ b/src/protocol.py
@@ -13,16 +13,46 @@ import time
 from binascii import hexlify
 from struct import Struct, pack, unpack
 
-import defaults
-import highlevelcrypto
-import state
-from addresses import (
-    encodeVarint, decodeVarint, decodeAddress, varintDecodeError)
-from bmconfigparser import BMConfigParser
-from debug import logger
-from fallback import RIPEMD160Hash
-from helper_sql import sqlExecute
-from version import softwareVersion
+try:
+    import defaults
+except ImportError:
+    from . import defaults
+try:
+    import highlevelcrypto
+except ImportError:
+    from . import highlevelcrypto
+
+try:
+    import state
+except ImportError:
+    from . import state
+
+try:
+    from addresses import (
+        encodeVarint, decodeVarint, decodeAddress, varintDecodeError)
+except ImportError:
+    from .addresses import (
+        encodeVarint, decodeVarint, decodeAddress, varintDecodeError)
+try:
+    from bmconfigparser import BMConfigParser
+except ImportError:
+    from .bmconfigparser import BMConfigParser
+try:
+    from debug import logger
+except ImportError:
+    from .debug import logger
+try:
+    from fallback import RIPEMD160Hash
+except ImportError:
+    from .fallback import RIPEMD160Hash
+try:
+    from .helper_sql import sqlExecute
+except ImportError:
+    from .helper_sql import sqlExecute
+try:
+    from version import softwareVersion
+except ImportError:
+    from .version import softwareVersion
 
 # Service flags
 #: This is a normal network node
@@ -100,8 +130,12 @@ def encodeHost(host):
         return '\xfd\x87\xd8\x7e\xeb\x43' + base64.b32decode(
             host.split(".")[0], True)
     elif host.find(':') == -1:
-        return '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + \
-            socket.inet_aton(host)
+        if sys.version_info[0] == 3:
+            return '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + \
+            str(socket.inet_aton(host))
+        else:
+            return '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\xFF' + \
+                   socket.inet_aton(host)
     return socket.inet_pton(socket.AF_INET6, host)
 
 
@@ -121,10 +155,12 @@ def network_group(host):
     if not isinstance(host, str):
         return None
     network_type = networkType(host)
+    # import pdb; pdb.set_trace()
     try:
         raw_host = encodeHost(host)
     except socket.error:
         return host
+
     if network_type == 'IPv4':
         decoded_host = checkIPv4Address(raw_host[12:], True)
         if decoded_host:
diff --git a/src/tests/test_networkgroup.py b/src/tests/test_networkgroup.py
index 79163402..ad30a690 100644
--- a/src/tests/test_networkgroup.py
+++ b/src/tests/test_networkgroup.py
@@ -2,10 +2,7 @@
 Test for network group
 """
 import unittest
-
-from .common import skip_python3
-
-skip_python3()
+import sys
 
 
 class TestNetworkGroup(unittest.TestCase):
@@ -17,7 +14,12 @@ class TestNetworkGroup(unittest.TestCase):
         from pybitmessage.protocol import network_group
 
         test_ip = '1.2.3.4'
-        self.assertEqual('\x01\x02', network_group(test_ip))
+        print("network_group(test_ip)")
+        print(network_group(test_ip))
+        if sys.version_info[0] == 3:
+            self.assertEqual('\x01\x02', network_group(test_ip))
+        else:
+            self.assertEqual('\x01\x02', network_group(test_ip))
 
         test_ip = '127.0.0.1'
         self.assertEqual('IPv4', network_group(test_ip))