Remove six

We don't need this in a Python 3-only world.

Change-Id: Ibeb506281e88b44d454497d06f9187308859ac9c

cloudkittyclient/common/base.py

@@ -12,11 +12,9 @@
 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 #    License for the specific language governing permissions and limitations
 #    under the License.
-#
-from string import Formatter as StringFormatter
 
-from six import add_metaclass
-from six.moves.urllib.parse import urlencode
+from string import Formatter as StringFormatter
+from urllib.parse import urlencode
 
 from cloudkittyclient import utils
 
@@ -31,8 +29,7 @@ class HttpDecoratorMeta(type):
         )
 
 
-@add_metaclass(HttpDecoratorMeta)
-class BaseManager(object):
+class BaseManager(object, metaclass=HttpDecoratorMeta):
     """Base class for Endpoint Manager objects."""
 
     url = ''

cloudkittyclient/v2/dataframes.py

@@ -13,7 +13,6 @@
 #    under the License.
 #
 import json
-import six
 
 from cloudkittyclient.common import base
 from cloudkittyclient import exc
@@ -36,7 +35,7 @@ class DataframesManager(base.BaseManager):
         if not dataframes:
             raise exc.ArgumentRequired("'dataframes' argument is required")
 
-        if not isinstance(dataframes, six.string_types):
+        if not isinstance(dataframes, str):
             try:
                 dataframes = json.dumps(dataframes)
             except TypeError:

lower-constraints.txt

@@ -6,7 +6,6 @@ oslo.utils==3.35 # Apache-2.0
 oslo.log==3.36 # Apache-2.0
 PyYAML==3.12 # MIT
 jsonpath-rw-ext==1.0 # Apache-2.0
-six==1.11 # MIT
 os-client-config==1.29.0 # Apache-2.0
 osc-lib==1.12.1 # Apache-2.0
 

requirements.txt

@@ -9,6 +9,5 @@ oslo.utils>=3.35 # Apache-2.0
 oslo.log>=3.36 # Apache-2.0
 PyYAML>=3.12 # MIT
 jsonpath-rw-ext>=1.0 # Apache-2.0
-six>=1.11 # MIT
 os-client-config>=1.29.0 # Apache-2.0
 osc-lib>=1.12.1 # Apache-2.0