hist.py

import seaborn as sns
import matplotlib.pyplot as plt

# seaborn histogram
sns.distplot(boston_dataset.target, hist=True, kde=True, 
             bins=30, color = 'blue',
             hist_kws={'edgecolor':'black'})
# Add labels
plt.title('Histogram of target variable')
plt.xlabel('House examples')
plt.ylabel('Values');