Update app.py

app.py

@@ -24,7 +24,7 @@ def define_embeddings_llm(openai_key):
                 model_name="sentence-transformers/all-MiniLM-L6-v2"
             )
     model_id = "lmsys/vicuna-7b-v1.3"
-    pipe = pipeline("text-generation", model=model, max_length=2048)
+    pipe = pipeline("text-generation", model=model_id, max_length=2048)
     llm = HuggingFacePipeline(pipeline=pipe)
   langchain.llm_cache = InMemoryCache()
   return embeddings,llm