Use a unicode format string so that we don't convert to byte strings

Fixes #14349

lib/ansible/executor/playbook_executor.py

@@ -27,6 +27,7 @@ from ansible import constants as C
 from ansible.executor.task_queue_manager import TaskQueueManager
 from ansible.playbook import Playbook
 from ansible.template import Templar
+from ansible.utils.unicode import to_unicode
 
 try:
     from __main__ import display
@@ -81,7 +82,7 @@ class PlaybookExecutor:
 
                 i = 1
                 plays = pb.get_plays()
-                display.vv('%d plays in %s' % (len(plays), playbook_path))
+                display.vv(u'%d plays in %s' % (len(plays), to_unicode(playbook_path)))
 
                 for play in plays:
                     if play._included_path is not None:

lib/ansible/parsing/yaml/constructor.py

@@ -66,7 +66,7 @@ class AnsibleConstructor(Constructor):
                         "found unacceptable key (%s)" % exc, key_node.start_mark)
 
             if key in mapping:
-                display.warning('While constructing a mapping from {1}, line {2}, column {3}, found a duplicate dict key ({0}).  Using last defined value only.'.format(key, *mapping.ansible_pos))
+                display.warning(u'While constructing a mapping from {1}, line {2}, column {3}, found a duplicate dict key ({0}).  Using last defined value only.'.format(key, *mapping.ansible_pos))
 
             value = self.construct_object(value_node, deep=deep)
             mapping[key] = value