We've changed run_command to return native_strings

on python3, this means that we don't get bytes back by default.  We
probably do want bytes here so modify our call to run_command so we get
bytes instead of text.

lib/ansible/modules/commands/command.py

@@ -97,13 +97,13 @@ EXAMPLES = '''
 
 import datetime
 import glob
-import re
 import shlex
 import os
 
 from ansible.module_utils.basic import AnsibleModule
 from ansible.module_utils.six import b
 
+
 def check_command(commandline):
     arguments = { 'chown': 'owner', 'chmod': 'mode', 'chgrp': 'group',
                   'ln': 'state=link', 'mkdir': 'state=directory',
@@ -188,7 +188,7 @@ def main():
         args = shlex.split(args)
     startd = datetime.datetime.now()
 
-    rc, out, err = module.run_command(args, executable=executable, use_unsafe_shell=shell)
+    rc, out, err = module.run_command(args, executable=executable, use_unsafe_shell=shell, encoding=None)
 
     endd = datetime.datetime.now()
     delta = endd - startd