fio_visualizer.py run fio read and write can not start

[heysion]

fio.conf

[global]
ioengine=sync
thread=1
runtime=60
size=1g
filename=/tmp/111/test.raw

[read4k-seq]
group_reporting
bs=4k
rw=read
numjobs=1
write_bw_log=/<priv-home>/4k-read.results
write_iops_log=/<priv-home>/4k-read.results
write_lat_log=/<priv-home>/4k-read.results

[write4k-seq]
group_reporting
bs=4k
rw=write
numjobs=1
write_bw_log=/<priv-home>/4k-write.results
write_iops_log=/<priv-home>/4k-write.results
write_lat_log=/<priv-home>/4k-write.results

error message for teriminal

Traceback (most recent call last):
  File "./fio_visualizer.py", line 553, in init_fio
    'job_vals':[[] for i in itertools.repeat(None, numjobs)],
TypeError: an integer is required
Traceback (most recent call last):
  File "./fio_visualizer.py", line 553, in init_fio
    'job_vals':[[] for i in itertools.repeat(None, numjobs)],
TypeError: an integer is required
Traceback (most recent call last):
  File "./fio_visualizer.py", line 553, in init_fio
    'job_vals':[[] for i in itertools.repeat(None, numjobs)],
TypeError: an integer is required
Traceback (most recent call last):
  File "./fio_visualizer.py", line 553, in init_fio
    'job_vals':[[] for i in itertools.repeat(None, numjobs)],
TypeError: an integer is required
QFileSystemWatcher::removePaths: list is empty
QFileSystemWatcher::removePaths: list is empty

fio_visualizer.py run fio read and write can not start