Update app.py

app.py

@@ -19,8 +19,10 @@ import io
 def create_doc_tools(document_fp: str, doc_name: str, verbose: bool = True) -> Tuple[QueryEngineTool,]:
     documents = SimpleDirectoryReader(input_files=[document_fp]).load_data()
 
-    Settings.llm = Groq(model="mixtral-8x7b-32768")
-    Settings.embed_model = HuggingFaceEmbedding(model_name="sentence-transformers/all-mpnet-base-v2")
+    llm = Groq(model="mixtral-8x7b-32768")
+    embed_model = HuggingFaceEmbedding(model_name="sentence-transformers/all-mpnet-base-v2")
+    Settings.llm = llm
+    Settings.embed_model = embed_model
 
     load_dir_path = f"/home/user/app/agentic_index_st/{doc_name}"
     storage_context = StorageContext.from_defaults(persist_dir=load_dir_path)