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Return encodings from given content string.

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Xn|jS(sMReturn the requested content back in unicode.

    This will first attempt to retrieve the encoding from the response
    headers. If that fails, it will use
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    to determine encodings from HTML elements.

    .. code-block:: python

        import requests
        from requests_toolbelt.utils import deprecated

        r = requests.get(url)
        text = deprecated.get_unicode_from_response(r)

    :param response: Response object to get unicode content from.
    :type response: requests.models.Response
    terrorstreplace(tsetRtget_encoding_from_headerstheaderststrR	tUnicodeErrortaddtlowerRt	TypeErrorttext(tresponsettried_encodingsRR
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