USB ripper

anyone else getting issues with usbrip tool ?
somehow it can’t parse json file, give me this output…

tried to install in all possible ways, install all repos which are asked in github - still same…

[12:33:03] [INFO] Filtering events
Traceback (most recent call last):
File “/usr/local/bin/usbrip”, line 10, in
sys.exit(main())
File “/usr/local/lib/python3.7/dist-packages/usbrip/main.py”, line 103, in main
repres=repres
File “/usr/local/lib/python3.7/dist-packages/usbrip/lib/utils/debug.py”, line 39, in wrapper
result = func(args, **kwargs)
File “/usr/local/lib/python3.7/dist-packages/usbrip/lib/core/usbevents.py”, line 145, in open_dump
events_to_show = _filter_events(events_dumped, sieve)
File “/usr/local/lib/python3.7/dist-packages/usbrip/lib/core/usbevents.py”, line 487, in _filter_events
event_intersection = intersect_event_sets(events_by_external, events_by_date)
File “/usr/local/lib/python3.7/dist-packages/usbrip/lib/core/common.py”, line 148, in intersect_event_sets
event_intersection_sorted = sorted(event_intersection, key=lambda i: i[‘conn’])
File “/usr/local/lib/python3.7/dist-packages/usbrip/lib/core/common.py”, line 148, in
event_intersection_sorted = sorted(event_intersection, key=lambda i: i[‘conn’])
TypeError: string indices must be integers
[
] Shutted down at 2019-08-12 12:33:03
[*] Time taken: 0:00:00.101619