Не видит кириллицу xhtml2pdf django?

from io import BytesIO
from django.http import HttpResponse
from django.template.loader import get_template

from xhtml2pdf import pisa

import logging
logger = logging.getLogger('info_logger') 


def fetch_pdf_resources(uri, rel):
    if uri.find(settings.MEDIA_URL) != -1:
        path = os.path.join(settings.MEDIA_ROOT, uri.replace(settings.MEDIA_URL, ''))
    elif uri.find(settings.STATIC_URL) != -1:
        path = os.path.join(settings.STATIC_ROOT, uri.replace(settings.STATIC_URL, ''))
    else:
        path = None
    logger.info('path TEST')
    return path

def render_to_pdf(template_src, context_dict={}):
    template = get_template(template_src)
    html  = template.render(context_dict)
    result = BytesIO()
    pdf = pisa.pisaDocument(BytesIO(html.encode("UTF-8")), result, encoding='utf-8',
                                                           link_callback=fetch_pdf_resources)
    logger.info(fetch_pdf_resources)
    if not pdf.err:
        return HttpResponse(result.getvalue(), content_type='application/pdf')
    return None

2019-04-12 15:13:36,958  INFO  1234  ./blog/utils.py  render_to_pdf  26  <function fetch_pdf_resources at 0x7f6dd3e57730>

LOGGING = {
	'version':1,
	'disable_existing_loggers': False,
	'formatters':{
		'large':{
			'format':'%(asctime)s  %(levelname)s  %(process)d  %(pathname)s  %(funcName)s  %(lineno)d  %(message)s  '
		},
		'tiny':{
			'format':'%(asctime)s  %(message)s  '
		}
	},
	'handlers':{
		'info_file':{
			'level':'INFO',
		       'class':'logging.handlers.TimedRotatingFileHandler',
			'when':'midnight',
			'interval':1,
			'filename':'/home/django/pro/djangopt/logs/debug.log',
			'formatter':'large',
		},
	},
	'loggers':{
		'info_logger':{
			'handlers':['info_file'],
			'level':'INFO',
			'propagate':False,
		},
	},
}

def fetch_pdf_resources(uri, rel):
    if uri.find(settings.MEDIA_URL) != -1:
        path = os.path.join(settings.MEDIA_ROOT, uri.replace(settings.MEDIA_URL, ''))
    elif uri.find(settings.STATIC_URL) != -1:
        path = os.path.join(settings.STATIC_ROOT, uri.replace(settings.STATIC_URL, ''))
    else:
        path = None
    logger.debug(path)
    return path