code: def convert_dict_to_override_args(config, prefix=''):
      
      args = []
      for k, v in six.iteritems(config):
          if isinstance(v, dict):
              args.extend(
                  convert_dict_to_override_args(
                      v,
                      prefix='.'.join([
                          prefix,
                          k,
                      ]) if prefix else k
                  )
              )
          else:
              v = six.text_type(v)
              left = 'rc' + (('.' + prefix) if prefix else '') + '.' + k
              right = v if ' ' not in v else '"%s"' % v
              args.append('='.join([left, right]))
      return args
docs: Converts a dictionary of override arguments into CLI arguments.
  
      * Converts leaf nodes into dot paths of key names leading to the leaf
        node.
      * Does not include paths to leaf nodes not being non-dictionary type.
  
      See `taskw.test.test_utils.TestUtils.test_convert_dict_to_override_args`
      for details.