"flux-account.py -h" takes 5 secs to print out messages about flux-accounting HOT 4 CLOSED

herbein1@quartz386 ~/Repositories/flux-framework/flux-accounting (core-autotools)
❯ time python3.7 -c 'import pandas'                                                                      15:55:44 ()
python3.7 -c 'import pandas'  0.58s user 0.49s system 6% cpu 15.915 total

flux python -m cProfile -s cumtime ./libexec/flux/cmd/flux-account.py                            12:51:30 ()
usage: flux-account.py [-h] [-p PATH] [-o OUTPUT_FILE]
                       {view-user,add-user,delete-user,edit-user,view-job-records,create-db,add-bank,view-bank,delete-bank,edit-bank,print-hierarchy}
                       ...
flux-account.py: error: the following arguments are required: subcommand
         315329 function calls (307279 primitive calls) in 19.592 seconds

   Ordered by: cumulative time

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
    462/1    0.006    0.000   19.592   19.592 {built-in method builtins.exec}
        1    0.000    0.000   19.592   19.592 flux-account.py:12(<module>)
    823/8    0.005    0.000   19.582    2.448 <frozen importlib._bootstrap>:978(_find_and_load)
    823/8    0.004    0.000   19.582    2.448 <frozen importlib._bootstrap>:948(_find_and_load_unlocked)
    485/9    0.004    0.000   19.538    2.171 <frozen importlib._bootstrap>:663(_load_unlocked)
    400/9    0.002    0.000   19.537    2.171 <frozen importlib._bootstrap_external>:722(exec_module)
    842/9    0.001    0.000   19.516    2.168 <frozen importlib._bootstrap>:211(_call_with_frames_removed)
        4    0.000    0.000   19.373    4.843 __init__.py:5(<module>)
        2    0.000    0.000   19.245    9.623 __init__.py:4(<module>)
    79/64    0.000    0.000    9.602    0.150 <frozen importlib._bootstrap_external>:1048(exec_module)
    79/64    0.015    0.000    9.602    0.150 {built-in method _imp.exec_dynamic}
      545    0.001    0.000    9.286    0.017 {method 'extend' of 'list' objects}
        1    0.000    0.000    9.285    9.285 lazy.py:93(_lazy)
      594    0.002    0.000    9.284    0.016 __init__.py:1088(<genexpr>)
      593    0.004    0.000    9.283    0.016 __init__.py:100(resource_exists)
      593    0.011    0.000    9.270    0.016 __init__.py:74(open_resource)
     3353    8.672    0.003    8.672    0.003 {built-in method posix.stat}
   558/78    0.001    0.000    7.595    0.097 {built-in method builtins.__import__}
       33    0.001    0.000    4.977    0.151 __init__.py:1(<module>)
      400    0.009    0.000    4.889    0.012 <frozen importlib._bootstrap_external>:793(get_code)
      400    4.760    0.012    4.778    0.012 <frozen importlib._bootstrap_external>:914(get_data)
      756    0.002    0.000    4.729    0.006 genericpath.py:16(exists)
      595    4.531    0.008    4.531    0.008 {built-in method io.open}
2468/1454    0.002    0.000    4.445    0.003 <frozen importlib._bootstrap>:1009(_handle_fromlist)
      649    0.007    0.000    4.246    0.007 <frozen importlib._bootstrap>:882(_find_spec)
      644    0.001    0.000    4.235    0.007 <frozen importlib._bootstrap_external>:1272(find_spec)
      644    0.004    0.000    4.234    0.007 <frozen importlib._bootstrap_external>:1240(_get_spec)
     1442    0.015    0.000    4.220    0.003 <frozen importlib._bootstrap_external>:1356(find_spec)
     2570    0.002    0.000    3.944    0.002 <frozen importlib._bootstrap_external>:74(_path_stat)
      728    0.003    0.000    3.907    0.005 <frozen importlib._bootstrap_external>:84(_path_is_mode_type)
      668    0.001    0.000    3.907    0.006 <frozen importlib._bootstrap_external>:93(_path_isfile)
        1    0.000    0.000    3.710    3.710 __init__.py:106(<module>)
        1    0.000    0.000    2.167    2.167 api.py:5(<module>)
        6    0.000    0.000    1.365    0.228 api.py:3(<module>)
        1    0.000    0.000    1.211    1.211 __init__.py:25(<module>)
        1    0.000    0.000    0.944    0.944 groupby.py:8(<module>)
        1    0.000    0.000    0.928    0.928 frame.py:12(<module>)