code: def key_value_to_tree(data):
      '''
      Convert key/value to tree
      '''
      tree = {}
      for flatkey, value in six.iteritems(data):
          t = tree
          keys = flatkey.split(__opts__['pepa_delimiter'])
          for i, key in enumerate(keys, 1):
              if i == len(keys):
                  t[key] = value
              else:
                  t = t.setdefault(key, {})
      return tref key_value_to_tree(data):
      '''
      Convert key/value to tree
      '''
      tree = {}
      for flatkey, value in six.iteritems(data):
          t = tree
          keys = flatkey.split(__opts__['pepa_delimiter'])
          for i, key in enumerate(keys, 1):
              if i == len(keys):
                  t[key] = value
              else:
                  t = t.setdefault(key, {})
      return tree
docs: Convert key/value to tree