diff --git a/‎gitlab.py‎
Lines changed: 9 additions & 15 deletions b/‎gitlab.py‎
Lines changed: 9 additions & 15 deletions
diff --git a/‎requirements.txt‎
Lines changed: 1 addition & 0 deletions b/‎requirements.txt‎
Lines changed: 1 addition & 0 deletions
diff --git a/‎setup.py‎
Lines changed: 1 addition & 1 deletion b/‎setup.py‎
Lines changed: 1 addition & 1 deletion
@@ -17,19 +17,12 @@
 
 from __future__ import print_function, division, absolute_import
 
-from itertools import chain
+import six
 
 import json
 import requests
 import sys
 
-if sys.version_info[0] < 3:
-    PY2=True
-    str_types = (str, unicode,)
-else:
-    PY2=False
-    str_types = (str,)
-
 __title__ = 'python-gitlab'
 __version__ = '0.7'
 __author__ = 'Gauvain Pocentek'
@@ -292,7 +285,7 @@ def create(self, obj):
         url = obj._url % args
         url = '%s%s' % (self._url, url)
 
-        for k, v in obj.__dict__.items():
+        for k, v in list(obj.__dict__.items()):
             if type(v) == bool:
                 obj.__dict__[k] = 1 if v else 0
 
@@ -318,12 +311,12 @@ def update(self, obj):
 
         # build a dict of data that can really be sent to server
         d = {}
-        for k, v in obj.__dict__.items():
+        for k, v in list(obj.__dict__.items()):
             if type(v) in (int, str):
                 d[k] = str(v)
             elif type(v) == bool:
                 d[k] = 1 if v else 0
-            elif PY2 and type(v) == unicode:
+            elif six.PY2 and type(v) == six.text_type:
                 d[k] = str(v.encode(self.gitlab_encoding, "replace"))
 
         try:
@@ -473,7 +466,7 @@ def _get_display_encoding():
 
 
 def _sanitize(value):
-    if type(value) in str_types:
+    if isinstance(value, six.string_types):
         return value.replace('/', '%2F')
     return value
 
@@ -573,7 +566,8 @@ def delete(self):
     def __init__(self, gl, data=None, **kwargs):
         self.gitlab = gl
 
-        if data is None or type(data) in chain((int,), str_types):
+        if data is None or isinstance(data, six.integer_types) or\
+                isinstance(data, six.string_types):
             data = self.gitlab.get(self.__class__, data, **kwargs)
 
         self._setFromDict(data)
@@ -609,7 +603,7 @@ def _obj_to_str(obj):
         elif isinstance(obj, list):
             s = ", ".join([GitlabObject._obj_to_str(x) for x in obj])
             return "[ %s ]" % s
-        elif PY2 and isinstance(obj, unicode):
+        elif six.PY2 and isinstance(obj, six.text_type):
             return obj.encode(_get_display_encoding(), "replace")
         else:
             return str(obj)
@@ -622,7 +616,7 @@ def pretty_print(self, depth=0):
                 continue
             v = self.__dict__[k]
             pretty_k = k.replace('_', '-')
-            if PY2:
+            if six.PY2:
                 pretty_k = pretty_k.encode(_get_display_encoding(), "replace")
             if isinstance(v, GitlabObject):
                 if depth == 0:
 
@@ -1 +1,2 @@
 requests>1.0
+six
@@ -22,7 +22,7 @@ def get_version():
       url='https://github.com/gpocentek/python-gitlab',
       py_modules=['gitlab'],
       scripts=['gitlab'],
-      install_requires=['requests'],
+      install_requires=['requests', 'six'],
       classifiers=[
         'Development Status :: 5 - Production/Stable',
         'Environment :: Console',