Get rid of six test dependency

Signed-off-by: Aarni Koskela <[email protected]>

setup.py

@@ -12,7 +12,7 @@
     readme = readme_file.read().decode('utf-8')
 
 requirements = []
-test_requirements = ['pytest', 'pylama', 'six']
+test_requirements = ['pytest', 'pylama']
 needs_pytest = {'pytest', 'test', 'ptr'}.intersection(sys.argv)
 setup_requirements = ['pytest-runner'] if needs_pytest else []
 extra_requirements = {'proxy': ['PySocks']}

tests/test_websocket_integration.py

@@ -1,10 +1,10 @@
 import base64
 import hashlib
 import re
+import socketserver
 from collections import OrderedDict
 
 import pytest
-from six.moves import socketserver
 from testsupport.broker import fake_websocket_broker
 
 import paho.mqtt.client as client

tests/testsupport/broker.py

@@ -1,9 +1,9 @@
 import contextlib
 import socket
+import socketserver
 import threading
 
 import pytest
-from six.moves import socketserver
 
 
 class FakeBroker: