Bug 1292270

Description of problem:
It seems to have happened because I hadn't signed the CLA, because after signing it, it worked fine.

Version-Release number of selected component:
fedora-packager-0.5.10.5-2.fc23

Additional info:
reporter:       libreport-2.6.3
cmdline:        /usr/bin/python /usr/bin/fedora-packager-setup
executable:     /usr/bin/fedora-packager-setup
kernel:         4.2.6-301.fc23.x86_64
runlevel:       N 5
type:           Python
uid:            1000

Truncated backtrace:
proxyclient.py:519:send_request:ServerError: ServerError(https://admin.fedoraproject.org/accounts/user/dogencert, 200, Error returned from json module while processing https://admin.fedoraproject.org/accounts/user/dogencert: Expecting value: line 1 column 1 (char 0))

Traceback (most recent call last):
  File "/usr/bin/fedora-packager-setup", line 123, in <module>
    main()
  File "/usr/bin/fedora-packager-setup", line 96, in main
    fedora_cert.create_user_cert()
  File "/usr/lib/python2.7/site-packages/fedora_cert/__init__.py", line 104, in create_user_cert
    cert = fas.user_gencert()
  File "/usr/lib/python2.7/site-packages/fedora/client/fas2.py", line 887, in user_gencert
    request = self.send_request('user/dogencert', auth=True)
  File "/usr/lib/python2.7/site-packages/fedora/client/baseclient.py", line 379, in send_request
    auth_params=auth_params, retries=retries, timeout=timeout)
  File "/usr/lib/python2.7/site-packages/fedora/client/proxyclient.py", line 519, in send_request
    {'url': to_bytes(url), 'err': to_bytes(e)})
ServerError: ServerError(https://admin.fedoraproject.org/accounts/user/dogencert, 200, Error returned from json module while processing https://admin.fedoraproject.org/accounts/user/dogencert: Expecting value: line 1 column 1 (char 0))

Local variables in innermost frame:
username: 'XXXXXX'
retries: 0
cookies: <RequestsCookieJar[]>
req_params: None
e: JSONDecodeError('Expecting value: line 1 column 1 (char 0)',)
timeout: 120.0
url: 'https://admin.fedoraproject.org/accounts/user/dogencert'
session_id: None
self: <fedora.client.fas2.AccountSystem object at 0x7f1e472c11d0>
auth: None
method: 'user/dogencert'
headers: {'Accept': 'application/json', 'User-agent': 'Fedora Account System Client/0.6.4'}
num_tries: 0
new_session: 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX'
complete_params: {'login': 'Login', 'password': 'XXXXXX', 'user_name': 'XXXXXX'}
http_status: 200
auth_params: {'username': 'XXXXXX', 'password': 'XXXXXX'}
file_params: {}
password: 'XXXXXX'
data: None
response: <Response [200]>