ValueError Traceback (most recent call last) Cell In[7], line 7 5 for promo in promo_columns: 6 plt.figure(figsize=(12, 6)) ----> 7 sns.boxplot(x=promo, y='attend', df=df) 8 plt.title(f'Attendance Based on {promo} Giveaway') 9 plt.xlabel(promo) File ~\anaconda3\Lib\site-packages\seaborn\categorical.py:2231, in boxplot(data, x, y, hue, order, hue_order, orient, color, palette, saturation, width, dodge, fliersize, linewidth, whis, ax, **kwargs) 2224 def boxplot( 2225 data=None, *, x=None, y=None, hue=None, order=None, hue_order=None, 2226 orient=None, color=None, palette=None, saturation=.75, width=.8, 2227 dodge=True, fliersize=5, linewidth=None, whis=1.5, ax=None, 2228 **kwargs 2229 ): -> 2231 plotter = _BoxPlotter(x, y, hue, data, order, hue_order, 2232 orient, color, palette, saturation, 2233 width, dodge, fliersize, linewidth) 2235 if ax is None: 2236 ax = plt.gca() File ~\anaconda3\Lib\site-packages\seaborn\categorical.py:785, in _BoxPlotter.__init__(self, x, y, hue, data, order, hue_order, orient, color, palette, saturation, width, dodge, fliersize, linewidth) 781 def __init__(self, x, y, hue, data, order, hue_order, 782 orient, color, palette, saturation, 783 width, dodge, fliersize, linewidth): --> 785 self.establish_variables(x, y, hue, data