Chapter 7: Conditional histograms Figure 7.12 TypeError: 'ListedColormap' object is not iterable

[ramonzamora89]

Hi!

I'm using a MacBook Air Apple M2, macOS Sonoma, Version 14.1.1. I was not able to use the enviroment that came with the examples, but I installed each package individually. I attach the list of packages installed in the env.

Packages installed in the env.txt

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TypeError Traceback (most recent call last)
Cell In[20], line 3
1 grayscale_cmap = sns.cubehelix_palette(50, hue=0.05, rot=0, light=0.9, dark=0, as_cmap=True)
----> 3 ax = sns.displot(fsdf, x="v2x_egaldem", hue="e_boix_regime", palette=grayscale_cmap)
4 ax.set(xlabel='Egalitarian Democracy Index')
5 plt.show()

File ~/anaconda3/envs/dcss/lib/python3.9/site-packages/seaborn/distributions.py:2113, in displot(data, x, y, hue, row, col, weights, kind, rug, rug_kws, log_scale, legend, palette, hue_order, hue_norm, color, col_wrap, row_order, col_order, height, aspect, facet_kws, **kwargs)
2094 def displot(
2095 data=None, *,
2096 # Vector variables
(...)
2105 **kwargs,
2106 ):
2108 p = _DistributionPlotter(
2109 data=data,
2110 variables=dict(x=x, y=y, hue=hue, weights=weights, row=row, col=col),
2111 )
-> 2113 p.map_hue(palette=palette, order=hue_order, norm=hue_norm)
2115 _check_argument("kind", ["hist", "kde", "ecdf"], kind)
2117 # --- Initialize the FacetGrid object
2118
2119 # Check for attempt to plot onto specific axes and warn

File ~/anaconda3/envs/dcss/lib/python3.9/site-packages/seaborn/_base.py:838, in VectorPlotter.map_hue(self, palette, order, norm, saturation)
837 def map_hue(self, palette=None, order=None, norm=None, saturation=1):
--> 838 mapping = HueMapping(self, palette, order, norm, saturation)
839 self._hue_map = mapping

File ~/anaconda3/envs/dcss/lib/python3.9/site-packages/seaborn/_base.py:150, in HueMapping.init(self, plotter, palette, order, norm, saturation)
147 elif map_type == "categorical":
149 cmap = norm = None
--> 150 levels, lookup_table = self.categorical_mapping(
151 data, palette, order,
152 )
154 # --- Option 3: datetime mapping
155
156 else:
157 # TODO this needs actual implementation
158 cmap = norm = None

File ~/anaconda3/envs/dcss/lib/python3.9/site-packages/seaborn/_base.py:248, in HueMapping.categorical_mapping(self, data, palette, order)
246 colors = self._check_list_length(levels, palette, "palette")
247 else:
--> 248 colors = color_palette(palette, n_colors)
250 lookup_table = dict(zip(levels, colors))
252 return levels, lookup_table

File ~/anaconda3/envs/dcss/lib/python3.9/site-packages/seaborn/palettes.py:245, in color_palette(palette, n_colors, desat, as_cmap)
240 palette = [desaturate(c, desat) for c in palette]
242 if not as_cmap:
243
244 # Always return as many colors as we asked for
--> 245 pal_cycle = cycle(palette)
246 palette = [next(pal_cycle) for _ in range(n_colors)]
248 # Always return in r, g, b tuple format

TypeError: 'ListedColormap' object is not iterable