How to change the linestyle of whiskers in pandas boxplots?

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Is there a way to change the linestyle of the whiskers in pandas boxplots to '-'? Default seems to be '--'.

I have tried:

color = dict(boxes='black', whiskers='black', medians='red', caps='black')
styles=dict(whiskers='-')
bp = df.plot.box(color=color, style=styles)

However, while the colors turn out the way I want, the style input does not seem to affect the plot at all.

Here is an example. I always get dashed lines for my whiskers, but would like solid lines.

I have also tried

boxprops = dict(linewidth=1.0, color='black')
whiskerprops = dict(linestyle='-',linewidth=1.0, color='black')
plt.figure()
df.boxplot(boxprops=boxprops, whiskerprops=whiskerprops)

Here, df.boxplot does not take the inputs at all.

This is closely related to Pandas boxplot: set color and properties for box, median, mean

linestyle pandas boxplot matplotlib python
3 Answers
import numpy as np
import pandas as pd

mu, sigma = 0, 1 
s = np.random.normal(mu, sigma, 1000)

df = pd.DataFrame(s)

bPlot = df.boxplot(whiskerprops = dict(linestyle='--'
                           , linewidth=2))

enter image description here

user_50310570
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