upgrading to python 3.7

Author: Naor Livne

.travis.yml

@@ -1,6 +1,7 @@
 language: python
+dist: xenial
 python:
-  - '2.7'
+  - '3.7'
 services:
   - docker
 install:

NebulaPythonSDK/sdk.py

@@ -26,7 +26,7 @@ def __init__(self, username=None, password=None, host="127.0.0.1", port=80, prot
             if six.PY3 is True:
                 user_pass_combo = user_pass_combo.encode('utf-8')
             self.basic_auth = base64.b64encode(user_pass_combo)
-            self.headers["authorization"] = "Basic " + self.basic_auth
+            self.headers["authorization"] = "Basic " + self.basic_auth.decode('utf-8')
         self.API_VERSION = "v2"
 
     # create a new nebula app, requires the app name to create and a complete dict of the config values for it

test/test_nebula_python_sdk.py

@@ -134,7 +134,7 @@ def test_list_apps(self):
         self.assertEqual(reply["status_code"], 200)
         self.assertTrue(isinstance(app_list, list))
         for app in app_list:
-            self.assertTrue(isinstance(app, unicode))
+            self.assertTrue(isinstance(app, str))
 
     def test_prune_images(self):
         nebula_connection_object = nebula_connection()
@@ -176,9 +176,9 @@ def test_device_group_flow(self, device_group="unit_test_device_group", app="uni
         for app_reply in reply["reply"]["apps"]:
             self.assertTrue(isinstance(app_reply["app_id"], int))
             self.assertTrue(isinstance(app_reply["containers_per"], dict))
-            self.assertTrue(isinstance(app_reply["app_name"], unicode))
+            self.assertTrue(isinstance(app_reply["app_name"], str))
             self.assertTrue(isinstance(app_reply["devices"], list))
-            self.assertTrue(isinstance(app_reply["docker_image"], unicode))
+            self.assertTrue(isinstance(app_reply["docker_image"], str))
             self.assertTrue(isinstance(app_reply["env_vars"], dict))
             self.assertTrue(isinstance(app_reply["networks"], list))
             self.assertTrue(isinstance(app_reply["privileged"], bool))