Reapply pep8 changes from previous revert.

lib/ansible/module_utils/basic.py

@@ -825,7 +825,7 @@ class AnsibleModule(object):
     def exit_json(self, **kwargs):
         ''' return from the module, without error '''
         self.add_path_info(kwargs)
-        if not kwargs.has_key('changed'):
+        if not 'changed' in kwargs:
             kwargs['changed'] = False
         print self.jsonify(kwargs)
         sys.exit(0)