Update app.py

app.py

@@ -31,7 +31,7 @@ from sklearn.metrics import silhouette_score
 from scipy.stats import spearmanr
 from functools import lru_cache
 from langchain.retrievers import MultiQueryRetriever
-from langchain_huggingfaces import HuggingFacePipeline
+from langchain_huggingface.llms import HuggingFacePipeline
 from transformers import pipeline
 from sklearn.model_selection import ParameterGrid
 from tqdm import tqdm