Figure 3.9) ValueError

[mason leist]

Hello again,

while playing with the code for Figure 3.9) I came across the following error value:

ValueError: '---' is not a valid value for ls; supported values are '-', '--', '-.', ':', 'None', ' ', '', 'solid', 'dashed', 'dashdot', 'dotted'

This is being thrown on the line of code:

for (n, b, ls) in zip(n_values, b_values, linestyles): # create a binomial distribution 

  dist = binom(n, b) 

  plt.plot(x, dist.pmf(x), color='black', linestyle='steps-mid' + ls, label=r'$b=%.1f,\ n=%i$' % (b, n))

I was wondering if you could recommend a fix for this issue? Thank you!

Mason Leist

[Brigitta Sipocz]

Dear Mason,

While I'm updating the website, please use the version from the github repo, it has the fix for changes in the matplotlib API.

https://github.com/astroML/astroML_figures/blob/main/book_figures/chapter3/fig_binomial_distribution.py

Cheers,

 Brigitta

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