Turris OS 3.11.3 in RC

In pakon-show does not working parameter -A (--aggregate)

root@turris:~# pakon-show -A
Traceback (most recent call last):
File “/usr/bin/pakon-show”, line 133, in
data=json.loads(response)
File “/usr/lib/python3.6/json/init.py”, line 354, in loads
return _default_decoder.decode(s)
File “/usr/lib/python3.6/json/decoder.py”, line 339, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File “/usr/lib/python3.6/json/decoder.py”, line 357, in raw_decode
raise JSONDecodeError(“Expecting value”, s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

Turris 1.0, RC 3.11.3, pakon 1.2-17