<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _post_patched_request(consumers, lti_key, body, url, method, content_type):
 """ Authorization header needs to be capitalized for some LTI clients this function ensures that header is capitalized :param body: body of the call :param client: OAuth Client :param url: outcome url :return: response """

    # pylint: disable=too-many-locals, too-many-arguments
    oauth_server = LTIOAuthServer(consumers)
    oauth_server.add_signature_method(SignatureMethod_HMAC_SHA1_Unicode())
    lti_consumer = oauth_server.lookup_consumer(lti_key)
    lti_cert = oauth_server.lookup_cert(lti_key)
    secret = lti_consumer.secret

    consumer = oauth2.Consumer(key=lti_key, secret=secret)
    client = oauth2.Client(consumer)

    if lti_cert:
        client.add_certificate(key=lti_cert, cert=lti_cert, domain='')
        log.debug("cert %s", lti_cert)

    import httplib2

    http = httplib2.Http
    # pylint: disable=protected-access
    normalize = http._normalize_headers

    def my_normalize(self, headers):
        """ This function patches Authorization header """
        ret = normalize(self, headers)
        if 'authorization' in ret:
            ret['Authorization'] = ret.pop('authorization')
        log.debug("headers")
        log.debug(headers)
        return ret

    http._normalize_headers = my_normalize
    monkey_patch_function = normalize
    response, content = client.request(
        url,
        method,
        body=body.encode('utf-8'),
        headers={'Content-Type': content_type})

    http = httplib2.Http
    # pylint: disable=protected-access
    http._normalize_headers = monkey_patch_function

    log.debug("key %s", lti_key)
    log.debug("secret %s", secret)
    log.debug("url %s", url)
    log.debug("response %s", response)
    log.debug("content %s", format(content))

    return response, content