diff --git a/kazoo/__init__.py b/kazoo/__init__.py
index 678fc2c..7ab3784 100644
--- a/kazoo/__init__.py
+++ b/kazoo/__init__.py
@@ -1,3 +1,3 @@
-from client import Client
+from .client import Client
 
 VERSION = "0.2.0"
diff --git a/kazoo/client.py b/kazoo/client.py
index 79dc792..6711f48 100644
--- a/kazoo/client.py
+++ b/kazoo/client.py
@@ -14,7 +14,7 @@ class RestClientMetaClass(type):
     def __init__(cls, name, bases, dct):
         super(RestClientMetaClass, cls).__init__(name, bases, dct)
 
-        for key, value in dct.items():
+        for key, value in list(dct.items()):
             if hasattr(value, "plural_name"):
                 cls._add_resource_methods(key, value, dct)
 
@@ -171,11 +171,11 @@ def _generate_resource_func(cls, func_name, resource_field_name,
 
         func = compile(func_definition, __file__, 'exec')
         d = {}
-        exec func in d
+        exec(func, d)
         return d[func_name]
 
 
-class Client(object):
+class Client(metaclass=RestClientMetaClass):
     """The interface to the Kazoo API
 
     This class should be initialized either with a username, password and
@@ -256,7 +256,6 @@ class Client(object):
         GET /accounts/{account_id}/users/hotdesk -> client.get_hotdesk(acct_id)
 
     """
-    __metaclass__ = RestClientMetaClass
     base_url = "http://api.2600hz.com:8000/v1"
     account_id= ""
     """
@@ -1546,7 +1545,7 @@ def authenticate(self):
         return self.auth_token
 
     def _execute_request(self, request, **kwargs):
-        from exceptions import KazooApiAuthenticationError
+        from .exceptions import KazooApiAuthenticationError
 
         if request.auth_required:
             kwargs["token"] = self.auth_token
@@ -1654,6 +1653,6 @@ def search(self, data, multi=None, acct_id=None):
 
     def dict_to_string(self, in_dict):
         res = ''
-        for key, value in in_dict.iteritems():
+        for key, value in in_dict.items():
             res = res + key + '=' + value +'&'
         return res[:-1]
\ No newline at end of file
diff --git a/kazoo/request_objects.py b/kazoo/request_objects.py
index 5c86160..67f9162 100644
--- a/kazoo/request_objects.py
+++ b/kazoo/request_objects.py
@@ -50,7 +50,7 @@ def _get_headers(self, token=None):
     def _get_url(self, params, base_url):
         url = base_url + self._get_url_with_variables_replaced(params)
         if self.get_params:
-            return url + "?" + urllib.urlencode(self.get_params)
+            return url + "?" + urllib.parse.urlencode(self.get_params)
         return url
 
     def _get_url_with_variables_replaced(self, params):
@@ -146,7 +146,7 @@ def execute(self, base_url):
 
     def _get_hashed_credentials(self):
         m = hashlib.md5()
-        m.update("{0}:{1}".format(self.username, self.password))
+        m.update("{0}:{1}".format(self.username, self.password).encode())
         return m.hexdigest()
 
 
diff --git a/kazoo/rest_resources.py b/kazoo/rest_resources.py
index 5165be7..4407801 100644
--- a/kazoo/rest_resources.py
+++ b/kazoo/rest_resources.py
@@ -61,7 +61,7 @@ def _get_full_url(self, params):
     def _initialize_extra_view_descriptions(self, view_descs):
         self.extra_views = []
         for view_desc in view_descs:
-            if hasattr(view_desc, "has_key"):
+            if isinstance(view_desc, dict):
                 result = view_desc
             else:
                 result = {"name": "get_" + view_desc, "path": view_desc}
@@ -111,7 +111,7 @@ def get_extra_view_request(self, viewname, **kwargs):
 
     def dict_to_string(self, in_dict):
         res = ''
-        for key, value in in_dict.iteritems():
+        for key, value in in_dict.items():
             res = res + key + '=' + value +'&'
         return res[:-1]