Update app.py

app.py

@@ -27,8 +27,8 @@ def chunk_text(text, chunk_size=50, chunk_overlap=10):
     return chunks
 
 # Function to build FAISS index
+embedding_model = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")
 def build_faiss_vectorstore(chunks):
-    embedding_model = HuggingFaceEmbeddings(model_name="sentence-transformers/all-MiniLM-L6-v2")
     vectorstore = FAISS.from_texts(chunks, embedding_model)
     return vectorstore