Update app.py

app.py

@@ -38,7 +38,7 @@ generator = pipeline(
 
 vectorstore = Chroma(
     # docs,
-    embedding_function=HuggingFaceEmbeddings(model_name = "google/gemma-2b"),
+    embedding_function=HuggingFaceEmbeddings(model_name = "sentence-transformers/all-MiniLM-L6-v1"),
     persist_directory="chroma_db"
 )