Update app.py

app.py

@@ -46,6 +46,7 @@ from sklearn.cluster import KMeans
 from sklearn.cluster import AgglomerativeClustering
 from sklearn.metrics import silhouette_samples, silhouette_score, davies_bouldin_score
 import json
+from xml.etree import ElementTree as ET
 p = inflect.engine()
 
 nlp = en_core_sci_lg.load()