ilar capabilities:

* `django.utils.termcolors <https://github.com/django/django/blob/master/django/utils/termcolors.py>`_
* `termcolor <https://pypi.org/project/termcolor/>`_
* `colorama <https://pypi.org/project/colorama/>`_

.. versionchanged:: 1.6.0
   Normalized return value to be unicode to better support python 2/3
   compatibility.

:param str msg: string to be formatted
:param str attr: text attributes, this can be :data:`~stem.util.term.Color`,
  :data:`~stem.util.term.BgColor`, or :data:`~stem.util.term.Attr` enums
  and are case insensitive (so strings like 'red' are fine)

:returns: **unicode** wrapped with ANSI escape encodings, starting with the given
  attributes and ending with a reset
Ú