Fixing up some non-py3 things for unit tests

lib/ansible/executor/task_queue_manager.py

@@ -99,7 +99,7 @@ class TaskQueueManager:
     def _initialize_processes(self, num):
         self._workers = []
 
-        for i in xrange(num):
+        for i in range(num):
             main_q = multiprocessing.Queue()
             rslt_q = multiprocessing.Queue()
             self._workers.append([None, main_q, rslt_q])

lib/ansible/module_utils/known_hosts.py

@@ -169,7 +169,7 @@ def add_host_key(module, fqdn, key_type="rsa", create_dir=False):
     if not os.path.exists(user_ssh_dir):
         if create_dir:
             try:
-                os.makedirs(user_ssh_dir, 0700)
+                os.makedirs(user_ssh_dir, 0o700)
             except:
                 module.fail_json(msg="failed to create host key directory: %s" % user_ssh_dir)
         else: