parse_args in jupyter notebook raises exeption Exception: command-line argument '-f' does not have form key=value

executing following commands in jupyter notebook:

from bornagain import ba_plot as bp
bp.parse_args(sim_n=200)

raises following exception:

---------------------------------------------------------------------------
Exception                                 Traceback (most recent call last)
Cell In[7], line 2
      1 nbins=200
----> 2 bp.parse_args(sim_n=nbins)
      3 #(default) parameters
      4 CrossCorrLength=100 #rough layers, cross correlation length

File ~\AppData\Local\Programs\Python\Python39\lib\site-packages\bornagain\ba_plot.py:377, in parse_args(**kwargs)
    375 s = arg.split("=")
    376 if len(s) != 2:
--> 377     raise Exception(
    378         f"command-line argument '{arg}' does not have form key=value"
    379     )
    380 try:
    381     tmp[s[0]] = int(s[1])

Exception: command-line argument '-f' does not have form key=value