Update app.py

app.py

@@ -6,6 +6,10 @@ from transformers import AutoModelForCausalLM, AutoTokenizer
 from transformers import pipeline
 from langchain.llms.huggingface_pipeline import HuggingFacePipeline
 from sentence_transformers import SentenceTransformer
+from sklearn.cluster import KMeans
+from nltk.tokenize import word_tokenize
+import numpy as np
+import scipy.spatial
 
 
 load_dotenv()