from matplotlib import pyplot as plt 
import seaborn as sns 
figsize = (12, 1.2 * len(df2['deviceSerialNumber'].unique())) 
plt.figure(figsize=figsize) 
sns.violinplot(df2, x='led1Sample', y='deviceSerialNumber', inner='stick', palette='Dark2') 
sns.despine(top=True, right=True, bottom=True, left=True)