elektron@x200:~/code/deb/pycarddav-0.7.0$ pycardsyncer -v
0.7.0
elektron@x200:~/code/deb/pycarddav-0.7.0$ dpkg -l | grep pycard
ii  pycarddav                             0.7.0-1                               all          simple to use CardDAV CLI client
ii  python-pycarddav                      0.7.0-1                               all          simple to use CardDAV Python library

elektron@x200:~$ pycardsyncer -c ~/.pycard.conf --debug
DEBUG:root:Using configuration from /home/elektron/.pycard.conf
DEBUG:root:Ignoring default:debug in configuration file
DEBUG:root:Using configuration:
DEBUG:root:     accounts:
DEBUG:root:             auth: basic
DEBUG:root:             name: XXX
DEBUG:root:             resource: https://XXX/caldav.php/elektron/addresses/
DEBUG:root:             user: elektron
DEBUG:root:             verify: False
DEBUG:root:             write_support: False
DEBUG:root:     debug: True
DEBUG:root:     filename: /home/elektron/.pycard.conf
DEBUG:root:     sqlite:
DEBUG:root:             path: /home/elektron/.pycard_abook.db
DEBUG:root:     sync:
DEBUG:root:             accounts: set(['XXX'])
DEBUG:root:start syncing account XXX
/usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:849: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
  InsecureRequestWarning)
DEBUG:root:made sure version table exists
DEBUG:root:made sure accounts table exists 
/usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:849: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
  InsecureRequestWarning)
DEBUG:root:made sure XXX table exists
DEBUG:root:getting /caldav.php/elektron/addresses/b77cee22-9ff5-4799-bf16-556a4a8c97f9vcf etag: "9cd9a015b9c4ea12fbf99bfa683c2b86"
/usr/lib/python2.7/dist-packages/urllib3/connectionpool.py:849: InsecureRequestWarning: Unverified HTTPS request is being made. Adding certificate verification is strongly advised. See: https://urllib3.readthedocs.io/en/latest/advanced-usage.html#ssl-warnings
  InsecureRequestWarning)
Traceback (most recent call last):
  File "/usr/bin/pycardsyncer", line 55, in <module>
    sync(conf)
  File "/usr/lib/python2.7/dist-packages/pycarddav/controllers/sync.py", line 57, in sync
    my_dbtool.update(vcard, conf.account.name, href=href, etag=etag)
  File "/usr/lib/python2.7/dist-packages/pycarddav/backend.py", line 271, in update
    stuple = (etag, vcard.name, vcard.fname, vcard_s, status, href, href)
  File "/usr/lib/python2.7/dist-packages/pycarddav/model.py", line 200, in name
    return unicode(self['N'][0][0]) if self['N'] else ''
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 2: ordinal not in range(128)