BCC tool 'execsnoop -q' fails with Traceback

Issue

• BCC tool execsnoop -q fails with Traceback

# /usr/share/bcc/tools/execsnoop -q
PCOMM            PID    PPID   RET ARGS
Traceback (most recent call last):
  File "_ctypes/callbacks.c", line 234, in 'calling callback function'
  File "/usr/lib/python3.6/site-packages/bcc/table.py", line 572, in raw_cb_
    callback(cpu, data, size)
  File "/usr/share/bcc/tools/execsnoop", line 229, in print_event
    for arg in argv[event.pid]
  File "/usr/share/bcc/tools/execsnoop", line 229, in <listcomp>
    for arg in argv[event.pid]
TypeError: a bytes-like object is required, not 'str'