remove six in base.py and http.py

Change-Id: I926320bd72c098e230509742f647b1024cca0b63

venusclient/common/base.py

@@ -21,7 +21,7 @@ Base utilities to build API operation managers and objects on top of.
 
 import copy
 
-import six.moves.urllib.parse as urlparse
+import urllib.parse as urlparse
 
 from venusclient.common.apiclient import base
 

venusclient/common/http.py

@@ -24,8 +24,7 @@ from oslo_serialization import jsonutils
 from oslo_utils import encodeutils
 from oslo_utils import importutils
 import requests
-import six
-from six.moves.urllib import parse
+from urllib import parse
 
 from venusclient.common import exceptions as exc
 from venusclient.common import utils
@@ -137,7 +136,7 @@ class HTTPClient(object):
         dump.append('')
         if resp.content:
             content = resp.content
-            if isinstance(content, six.binary_type):
+            if isinstance(content, bytes):
                 content = content.decode()
             dump.extend([content, ''])
         LOG.debug('\n'.join(dump))