Update app.py

app.py

@@ -46,7 +46,11 @@ encode_kwargs = {'normalize_embeddings': True}
     encode_kwargs=encode_kwargs,
     show_progress=True,
 )"""
-embedding = HuggingFaceInferenceAPIEmbeddings(api_key=os.environ["HUGGINGFACE_API_KEY"], model=model_name)
+hf_embeddings = HuggingFaceInferenceAPIEmbeddings(
+    api_key=os.environ["HUGGINGFACE_API_KEY"],
+    model_name="sentence-transformers/all-MiniLM-l6-v2"
+)
+
 
 async def echo(websocket):
     global retriever, conversational_rag_chain